SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): ~~November~~December 2526, 2003 AMERIQUEST MORTGAGE SECURITIES INC. (as depositor, Ameriquest Mortgage Company, Master Servicer, and Deutsche Bank National Trust Company, as Trustee). AMERIQUEST MORTGAGE SEC INC ASSET / PASS THRU CERT 2003-IA1 (Exact name of Registrant as specified in its Charter) DELAWARE (State or Other Jurisdiction of Incorporation) 333-105982-04 33-0885129 (Commission File Number) (I.R.S. Employer Identification No.) 1100 TOWN & COUNTRY ROAD, SUITE 1100 ORANGE, CALIFORNIA 92868 (Address of principal executive offices) (Zip Code) Registrant's Telephone Number, Including Area Code: (714) 541-9960 Item 5. Other Events Attached hereto is a copy of the Monthly Remittance Statements to the Certificateholders which was derived from the monthly information submitted by the Master Servicer of the Trust to the Trustee. Item 7. Financial Statement and Exhibits Exhibits: (as noted in Item 5 above) Monthly Remittance Statement to the Certificateholders dated as of ~~November~~December 2526, 2003. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized. Deutsche Bank National Trust Company, not in its individual capacity, but solely as a duly authorized agent of the Registrant pursuant to the Pooling and Servicing Agreement, dated as of October 1,2003. Date: ~~Nov~~Jan 2602, ~~2003~~2004 By: /s/ Katherine M. Wannenmacher Katherine M. Wannenmacher Vice President EXHIBIT INDEX DOCUMENT Monthly Remittance Statement to the Certificateholders dated as of ~~November~~December 2526, 2003.

	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	November 25, 2003 Distribution
	December 26, 2003 Distribution
	Contents
			TABLE OF CONTENTS
								Page
			1.	Contents				1
			2.	Certificate Payment Report				2
			3.	Collection Account Report				4
			4.	Credit Enhancement Report				7
			5.	Collateral Report				8
			6.	Delinquency Report				11
			7.	REO Report				12
			8.	Foreclosure Report				13
			9.	Prepayment Report				14
			10.	Prepayment Detail Report				17
			11.	Realized Loss Report				18
			12.	Realized Loss Detail Report				21
			13.	Triggers, Adj. Rate Cert. and Miscellaneous Report				22
				Total Number of Pages				22
			CONTACTS
				Administrator: Valerie Delgado
				Direct Phone Number: (714)247-6273
				Address: Deutsche Bank
				1761 E. St. Andrew Place, Santa Ana, CA 92705
				Web Site: https://www.corporatetrust.db.com/invr
				Factor Information: (800) 735-7777
				Main Phone Number: (714) 247-6000
ISSUANCE INFORMATION
	Seller:		Ameriquest Mortgage Corp					Cut-Off Date: October 1, 2003
	Certificate Insurer(s):							Closing Date: October 24, 2003
								First Payment Date: November 25, 2003
	Servicer(s):		Ameriquest Mortgage Corp Master Servicer
								Distribution Date: November 25, 2003
								Distribution Date: December 26, 2003
	Underwriter(s):		Greenwich Capital Markets Underwriter					Record Date: ~~November~~December 24, 2003
								October 31, 2003
								November 28, 2003
						Page 1 of 22					© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	REMIC III
	Certificate Payment Report for November 25, 2003 Distribution
	Certificate Payment Report for December 26, 2003 Distribution
	Distribution in Dollars - Current Period
					Prior						Current
	Class	Original			Principal			Total	Realized	Deferred	Principal
Class	Type	Face Value			Balance	Interest	Principal	Distribution	Losses	Interest	Balance
					(1)	(2)	(3)	(4)=(2)+(3)	(5)	(6)	(7)=(1)-(3)-(5)+(6)
A-1		77,500,000.00			7776,~~500~~037,~~000~~494.0062	7983,~~286~~073.8160	1,~~448~~824,~~641~~078.0337	1,~~527~~907,~~927~~151.8497	-	-	7674,~~051~~213,~~358~~416.9725
A-2		71,600,000.00			71,600,000.00	180,790.00	-	180,790.00	-	-	71,600,000.00
A-3		28,500,000.00			28,500,000.00	86,925.00	-	86,925.00	-	-	28,500,000.00
A-4		85,700,000.00			85,700,000.00	354,583.75	-	354,583.75	-	-	85,700,000.00
A-5		36,700,000.00			36,700,000.00	157,504.17	-	157,504.17	-	-	36,700,000.00
A-6		37,000,000.00			37,000,000.00	158,791.67	-	158,791.67	-	-	37,000,000.00
MF-1		10,000,000.00			109,~~000~~956,~~000~~602.0021	1539,~~000~~577.0049	4254,~~986~~126.3895	5793,~~986~~704.3844	-	-	9,~~957~~902,~~013~~475.6226
MV-1		23,000,000.00			2322,~~000~~900,~~000~~185.0009	9135,~~425~~470.0064	98124,~~868~~492.6800	~~190~~159,~~293~~962.6864	-	-	22,~~901~~775,~~131~~693.3209
M-2		22,000,000.00			2221,~~000~~904,~~000~~524.0087	5052,~~783~~224.3380	94119,~~570~~079.0430	~~145~~171,~~353~~304.3710	-	-	21,~~905~~785,~~429~~445.9657
M-3		8,000,000.00			87,~~000~~965,~~000~~281.0077	2728,~~466~~250.6748	3443,~~389~~301.1056	6171,~~855~~552.7704	-	-	7,~~965~~921,~~610~~980.9021
S		-			-	~~178~~174,~~889~~166.8767	-	~~178~~174,~~889~~166.8767	-	-	-
CE		-			-547,698.65	-	-	-	-	~~531~~550,~~242~~691.4518	~~531~~1,~~242~~098,389.4583
P		100.00			100.00	-9,815.09	-	-9,815.09	-	-	100.00
R		-			-	-	-	-	-	-	-
Total		400,000,100.00			~~400~~398,~~000~~811,~~100~~887.0021	1,~~381~~361,~~446~~173.2736	12,~~719~~165,~~455~~078.2318	3,~~100~~526,~~901~~251.5054	-	~~531~~550,~~242~~691.4518	~~398~~397,~~811~~197,~~887~~500.2221
	Interest Accrual Detail				Current Period Factor Information per $1,000 of Original Face
						Orig. Principal	Prior				Current
	Period	Period				(with Notional)	Principal			Total	Principal
Class	Starting	Ending		Method	Cusip	Balance	Balance	Interest	Principal	Distribution	Balance
							(1)	(2)	(3)	(4)=(2)+(3)	(5)
A-1	1011/2725/03	1112/2425/03		A-Act/360	03072SLA1	77,500,000.00	~~1,000~~981.~~000000~~128963	1.~~023056~~071917	1823.~~692142~~536495	1924.~~715198~~608412	~~981~~957.~~307858~~592468
A-2				F-30/360	03072SLB9	71,600,000.00	1,000.000000	2.525000	-	2.525000	1,000.000000
A-3				F-30/360	03072SLC7	28,500,000.00	1,000.000000	3.050000	-	3.050000	1,000.000000
A-4				F-30/360	03072SLD5	85,700,000.00	1,000.000000	4.137500	-	4.137500	1,000.000000
A-5				F-30/360	03072SLE3	36,700,000.00	1,000.000000	4.291667	-	4.291667	1,000.000000
A-6				F-30/360	03072SLF0	37,000,000.00	1,000.000000	4.291667	-	4.291667	1,000.000000
MF-1				F-30/360	03072SLG8	10,000,000.00	~~1,000~~995.~~000000~~660221	13.~~500000~~957749	45.~~298638~~412695	59.~~798638~~370444	~~995~~990.~~701362~~247526
MV-1	11/25/03	12/25/03		FA-30Act/360	03072SLL7	23,000,000.00	~~1,000~~995.~~000000~~660221	31.~~975000~~542202	45.~~298638~~412695	86.~~273638~~954897	~~995~~990.~~701362~~247526
M-2	11/25/03	12/25/03		FA-30Act/360	03072SLH6	22,000,000.00	~~1,000~~995.~~000000~~660221	2.~~308333~~373855	45.~~298638~~412695	67.~~606971~~786550	~~995~~990.~~701362~~247526
M-3	11/25/03	12/25/03		FA-30Act/360	03072SLJ2	8,000,000.00	~~1,000~~995.~~000000~~660221	3.~~433334~~531310	45.~~298638~~412695	78.~~731972~~944005	~~995~~990.~~701363~~247526
S				F-30/360	03072SLK9	44,000,000.00	1,000.000000	43.~~065679~~958333	-	43.~~065679~~958333	1,000.000000
CE				F-30/360		400,000,100.00	~~1,000~~998.~~000000~~398714	-	-	-	~~998~~995.~~357574~~739475
P				F-30/360		100.00	1,000.000000	-98,150.900000	-	-98,150.900000	1,000.000000
R				F-30/360		-	-	-	-	-	-
							Page 2 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	REMIC III
	Certificate Payment Report for November 25, 2003 Distribution
	Certificate Payment Report for December 26, 2003 Distribution
	Distribution in Dollars - to Date
											Current
	Original				Unscheduled	Scheduled	Total	Total	Realized	Deferred	Principal
Class	Face Value		Interest		Principal	Principal	Principal	Distribution	Losses	Interest	Balance
	(1)		(2)		(3)	(4)	(5)=(3)+(4)	(6)=(2)+(5)	(7)	(8)	(9)=(1)-(5)-(7)+(8)
A-1	77,500,000.00		79170,~~286~~562.8149		~~816~~2,~~511~~019,705.7660	~~632~~1,~~129~~266,878.2714	13,~~448~~286,~~641~~583.0374	13,~~527~~457,~~927~~146.8423	-	-	7674,~~051~~213,~~358~~416.9725
A-2	71,600,000.00		~~180~~361,~~790~~580.00		-	-	-	~~180~~361,~~790~~580.00	-	-	71,600,000.00
A-3	28,500,000.00		86173,~~925~~850.00		-	-	-	86173,~~925~~850.00	-	-	28,500,000.00
A-4	85,700,000.00		~~354~~709,~~583~~167.7550		-	-	-	~~354~~709,~~583~~167.7550	-	-	85,700,000.00
A-5	36,700,000.00		~~157~~315,~~504~~008.1734		-	-	-	~~157~~315,~~504~~008.1734	-	-	36,700,000.00
A-6	37,000,000.00		~~158~~317,~~791~~583.6734		-	-	-	~~158~~317,~~791~~583.6734	-	-	37,000,000.00
MF-1	10,000,000.00		1579,~~000~~327.0049		1032,~~927~~451.2060	3265,~~059~~073.1814	4297,~~986~~524.3874	57176,~~986~~852.3823	-	-	9,~~957~~902,~~013~~475.6226
MV-1	23,000,000.00		9172,~~425~~270.0064		2574,~~132~~638.5566	73149,~~736~~668.1324	98224,~~868~~306.6890	~~190~~296,~~293~~577.6854	-	-	22,~~901~~775,~~131~~693.3209
M-2	22,000,000.00		50106,~~783~~393.3369		2471,~~039~~393.8350	70143,~~530~~160.2193	94214,~~570~~554.0443	~~145~~320,~~353~~948.3712	-	-	21,~~905~~785,~~429~~445.9657
M-3	8,000,000.00		2757,~~466~~548.6726		-	3478,~~389~~019.1079	3478,~~389~~019.1079	61135,~~855~~568.7705	-	-	7,~~965~~921,~~610~~980.9021
S	-		~~178~~348,~~889~~333.8734		-	-	-	~~178~~348,~~889~~333.8734	-	-	-
CE	-		-		-	-	-	-	-	~~531~~1,~~242~~098,389.4583	~~531~~1,~~242~~098,389.4583
P	100.00		-14,538.29		-	-	-	-14,538.29	-	-	100.00
R	-		-		-	-	-	-	-	-	-
Total	400,000,100.00		12,~~381~~726,~~446~~163.2738		~~876~~2,~~611~~198,189.3436	~~842~~1,~~843~~702,800.8924	13,~~719~~900,~~455~~989.2360	36,~~100~~627,~~901~~152.5098	-	~~531~~1,~~242~~098,389.4583	~~398~~397,~~811~~197,~~887~~500.2221
	Interest Detail
	Pass-	Prior Principal				Non-	Prior	Unscheduled		Paid or	Current
	Through	(with Notional)			Accrued	Supported	Unpaid	Interest	Optimal	Deferred	Unpaid
Class	Rate	Balance			Interest	Interest SF	Interest	Adjustments	Interest	Interest	Interest
					(1)	(2)	(3)	(4)	(5)=(1)-(2)+(3)+(4)	(6)	(7)=(5)-(6)
A-1	1.~~27000~~26875%	7776,~~500~~037,~~000~~494.0062			7983,~~286~~073.8160	-	-	-	7983,~~286~~073.8160	7983,~~286~~073.8160	-
A-2	3.03000%	71,600,000.00			180,790.00	-	-	-	180,790.00	180,790.00	-
A-3	3.66000%	28,500,000.00			86,925.00	-	-	-	86,925.00	86,925.00	-
A-4	4.96500%	85,700,000.00			354,583.75	-	-	-	354,583.75	354,583.75	-
A-5	5.15000%	36,700,000.00			157,504.17	-	-	-	157,504.17	157,504.17	-
A-6	5.15000%	37,000,000.00			158,791.67	-	-	-	158,791.67	158,791.67	-
MF-1	14.~~80000~~77000%	109,~~000~~956,~~000~~602.0021			1539,~~000~~577.0049	-	-	-	1539,~~000~~577.0049	1539,~~000~~577.0049	-
MV-1	41.~~77000~~79875%	2322,~~000~~900,~~000~~185.0009			9135,~~425~~470.0064	-	-	-	9135,~~425~~470.0064	9135,~~425~~470.0064	-
M-2	2.~~77000~~76875%	2221,~~000~~904,~~000~~524.0087			5052,~~783~~224.3380	-	-	-	5052,~~783~~224.3380	5052,~~783~~224.3380	-
M-3	4.~~12000~~11875%	87,~~000~~965,~~000~~281.0077			2728,~~466~~250.6748	-	-	-	2728,~~466~~250.6748	2728,~~466~~250.6748	-
S	4.75000%	44,000,000.00			~~178~~174,~~889~~166.8767	-	-	-	~~178~~174,~~889~~166.8767	~~178~~174,~~889~~166.8767	-
CE		~~400~~399,~~000~~359,~~100~~585.0044			-	-	-	-	-	~~531~~550,~~242~~691.4518	-
P		100.00			-9,815.09	-	-	-	-9,815.09	-9,815.09	-
R		-			-	-	-	-	-	-	-
Total		~~844~~841,~~000~~623,~~200~~774.00			1,~~381~~361,~~446~~173.2736	-	-	-	1,~~381~~361,~~446~~173.2736	1,~~912~~911,~~688~~864.7254	-
							Page 3 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Collection Account Report for November 25, 2003 Distribution
	Collection Account Report for December 26, 2003 Distribution
	Collection Account Report
SUMMARY								TOTAL
	Principal Collections							1,~~188~~614,~~213~~387.2100
	Principal Other Accounts							0.00
	TOTAL NET PRINCIPAL							1,~~188~~614,~~213~~387.2100
	Interest Collections							1,~~958~~942,~~814~~860.8739
	Interest Withdrawals							0.00
	Interest Other Accounts							49,~~725~~817.6852
	Interest Fees							(5040,~~851~~813.8337)
	TOTAL NET INTEREST							1,~~912~~911,~~688~~864.7254
	TOTAL AVAILABLE FUNDS FOR DISTRIBUTION							3,~~100~~526,~~901~~251.9354
PRINCIPAL - COLLECTIONS								TOTAL
	Scheduled Principal Received							~~750~~753,~~301~~411.8112
	Prepayments In Full							~~123~~467,~~000~~995.0004
	Curtailments							~~146~~56,~~251~~221.9133
	Liquidations							0.00
	Insurance Principal							0.00
	Repurchased Principal Amounts							~~167~~336,~~835~~759.9251
	Other Principal							~~823~~0.5700
	Total Realized Loss Of Principal							0.00
	Delinquent Principal							(~~423~~484,~~084~~833.1142)
	Advanced Principal							~~423~~484,~~084~~833.1142
	TOTAL PRINCIPAL COLLECTED							1,~~188~~614,~~213~~387.2100
				Page 4 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Collection Account Report for November 25, 2003 Distribution
	Collection Account Report for December 26, 2003 Distribution
	Collection Account Report
PRINCIPAL - WITHDRAWALS								TOTAL
SPACE INTENTIONALLY LEFT BLANK
PRINCIPAL - OTHER ACCOUNTS								TOTAL
	TOTAL OTHER ACCOUNTS PRINCIPAL							0.00
INTEREST - COLLECTIONS								TOTAL
	Scheduled Interest							2,~~025~~018,~~776~~364.3293
	Liquidation Interest							0.00
	Repurchased Interest							~~853~~1,996.1728
	Insurance Interest							0.00
	Other Interest							0.00
	Relief Act Interest Shortfalls							0.00
	Prepayment Interest Shortfalls							(~~306~~1,077.4504)
	Compensating Interest							~~306~~1,077.4504
	Delinquent Interest							(1,~~179~~350,~~028~~365.9200)
	Interest Advanced							1,~~111~~272,~~214~~864.3018
	TOTAL INTEREST COLLECTED							1,~~958~~942,~~814~~860.8739
				Page 5 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Collection Account Report for November 25, 2003 Distribution
	Collection Account Report for December 26, 2003 Distribution
	Collection Account Report
INTEREST - WITHDRAWALS								TOTAL
	Trust Fund Expenses							0.00
	Nonrecoverable Advances							0.00
	Reimbursements to Master Servicer							0.00
	TOTAL INTEREST WITHDRAWALS							0.00
INTEREST - OTHER ACCOUNTS								TOTAL
	Prepayment Charges							49,~~723~~815.2009
	Master Servicer Prepayment Charges							0.00
	Capitalized Interest Deposit							2.4843
	TOTAL INTEREST OTHER ACCOUNTS							49,~~725~~817.6852
INTEREST - FEES								TOTAL
	Current Servicing Fees							4838,~~851~~819.8331
	Trustee Fee							21,~~000~~994.0006
	PMI Fees							0.00
	TOTAL INTEREST OTHER FEES							5040,~~851~~813.8337
				Page 6 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Credit Enhancement Report for November 25, 2003 Distribution
	Credit Enhancement Report for December 26, 2003 Distribution
	Credit Enhancement Report
ACCOUNTS								TOTAL
	Net WAC Rate Carryover Reserve Account							1,000.00
	Interest Coverage Account Beginning Balance							0.00
	Interest Coverage Account Withdrawals							(2.4843)
	Interest Coverage Account Deposits							0.00
	Interest Coverage Account Ending Balance							(2.4843)
	Prefunding Account Beginning Balance							823.57
	Prefunding Account Withdrawals							0.00
	Prefunding Account Ending Balance							823.57
INSURANCE								TOTAL
SPACE INTENTIONALLY LEFT BLANK
STRUCTURAL FEATURES								TOTAL
	Overcollateralized Amount							~~531~~1,~~242~~098,389.0140
	Overcollateralization Reduction Amount							0.00
	Overcollateralization Deficiency Amount							21,~~000~~452,~~000~~302.5028
	Overcollateralization Target Amount							2,000,000.50
	Excess Overcollateralization Amount							0.00
	Overcollateralization Increase Amount							~~531~~550,~~242~~691.4518
				Page 7 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Collateral Report for November 25, 2003 Distribution
	Collateral Report for December 26, 2003 Distribution
	Collateral Report
COLLATERAL								TOTAL
	Loan Count:
	Original							2943
	Prior							-2,941
	Prefunding							-
	Scheduled Paid Offs							-
	Full Voluntary Prepayments							(13)
	Repurchases							(13)
	Liquidations							-
	Current							2,~~941~~935
	Principal Balance:
	Original							399,999,276.42
	Prior							-398,811,886.78
	Prefunding							-
	Scheduled Principal							(~~750~~753,~~301~~411.8112)
	Partial and Full Voluntary Prepayments							(~~269~~524,~~251~~216.9137)
	Repurchases							(~~167~~336,~~835~~759.9251)
	Liquidations							-
	Current							~~398~~397,~~811~~197,~~886~~499.78
PREFUNDING								TOTAL
SPACE INTENTIONALLY LEFT BLANK
	Pre-Funding Amount Beginning Balance							823.57
	Pre-Funding Amount Released as Principal							823.57
	Pre-Funding Amount Ending Balance							0.00
Current Prin Balance by Groups (in millions of dollars)					Total Current Principal Balance (in millions of dollars)
				Page 8 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Collateral Report for November 25, 2003 Distribution
	Collateral Report for December 26, 2003 Distribution
	Collateral Report
CHARACTERISTICS								TOTAL
	Weighted Average Coupon Original							6.079899%
	Weighted Average Coupon Prior							6.079899%
	Weighted Average Coupon Current							6.~~079899~~079140%
	Weighted Average Months to Maturity Original							294
	Weighted Average Months to Maturity Prior							-294
	Weighted Average Months to Maturity Current							~~294~~293
	Weighted Avg Remaining Amortization Term Original							294
	Weighted Avg Remaining Amortization Term Prior							-294
	Weighted Avg Remaining Amortization Term Current							~~294~~293
	Weighted Average Seasoning Original							1.91
	Weighted Average Seasoning Prior							-1.91
	Weighted Average Seasoning Current							12.91
Note: Original information refers to deal issue.
WAC by Groups					Total WAC
WARAT by Groups					Total WARAT
Note: Dates correspond to distribution dates.
				Page 9 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Collateral Report for November 25, 2003 Distribution
	Collateral Report for December 26, 2003 Distribution
	Collateral Report
ARM CHARACTERISTICS								TOTAL
	Weighted Average Margin Original							0.000%
	Weighted Average Margin Prior							0.000%
	Weighted Average Margin Current							0.000%
	Weighted Average Max Rate Original							0.000%
	Weighted Average Max Rate Prior							0.000%
	Weighted Average Max Rate Current							0.000%
	Weighted Average Min Rate Original							0.000%
	Weighted Average Min Rate Prior							0.000%
	Weighted Average Min Rate Current							0.000%
	Weighted Average Cap Up Original							0.000%
	Weighted Average Cap Up Prior							0.000%
	Weighted Average Cap Up Current							0.000%
	Weighted Average Cap Down Original							0.000%
	Weighted Average Cap Down Prior							0.000%
	Weighted Average Cap Down Current							0.000%
Note: Original information refers to deal issue.
SERVICING FEES / ADVANCES								TOTAL
	Current Servicing Fees							4838,~~851~~819.8331
	Delinquent Servicing Fees							6777,~~814~~500.6282
	TOTAL SERVICING FEES							116,~~666~~320.4513
	Compensating Interest							(~~306~~1,077.4504)
	Delinquent Servicing Fees							(6777,~~814~~500.6282)
	COLLECTED SERVICING FEES							4837,~~545~~742.3827
	Aggregate Advances with respect to this Distribution							1,~~534~~757,~~298~~697.4160
	Current Nonrecoverable Advances							0.00
	Cumulative Nonrecoverable Advances							0.00
ADDITIONAL COLLATERAL INFORMATION								TOTAL
	Net Prepayment Interest Shortfall							0.00
	Aggregate Relief Act Shortfalls							0.00
				Page 10 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Delinquency Report for November 25, 2003 Distribution
	Delinquency Report for December 26, 2003 Distribution
	Delinquency Report - Total
				<1 PAYMENT	1 PAYMENT	2 PAYMENTS	3+ PAYMENTS	TOTAL
DELINQUENT		Balance			-	-	-	-
		% Balance			0.00%	0.00%	0.00%	0.00%
		# Loans			-	-	-	-
		% # Loans			0.00%	0.00%	0.00%	0.00%
FORECLOSURE		Balance		-	-	-	-	-
		% Balance		0.00%	0.00%	0.00%	0.00%	0.00%
		# Loans		-	-	-	-	-
		% # Loans		0.00%	0.00%	0.00%	0.00%	0.00%
BANKRUPTCY		Balance		-	-	-	-	-
		% Balance		0.00%	0.00%	0.00%	0.00%	0.00%
		# Loans		-	-	-	-	-
		% # Loans		0.00%	0.00%	0.00%	0.00%	0.00%
REO		Balance		-	-	-	-	-
		% Balance		0.00%	0.00%	0.00%	0.00%	0.00%
		# Loans		-	-	-	-	-
		% # Loans		0.00%	0.00%	0.00%	0.00%	0.00%
TOTAL		Balance		-	-	-	-	-
		% Balance		0.00%	0.00%	0.00%	0.00%	0.00%
		# Loans		-	-	-	-	-
		% # Loans		0.00%	0.00%	0.00%	0.00%	0.00%
Note: <1 Payment = 0-29days, 1 Payment = 30-59days, 2 Payments = 60-89days, 3+ Payments = 90+
								6 Months Moving Average
1 or 2 Payments Delinquent					3 or More Payments Delinquent
Total Foreclosure					Total Bankruptcy and REO
Note: Dates correspond to distribution dates.
				Page 11 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	REO Report for November 25, 2003 Distribution
	REO Report for December 26, 2003 Distribution
	REO Report - Mortgage Loans that Become REO During Current Distribution
SUMMARY				LOAN GROUP
Total Loan Count = 0				Loan Group 1 = Group 1 Group; REO Book Value = 000.00
Total Original Principal Balance = 000.00
Total Current Balance = 000.00
REO Book Value = 000.00
REO Book Value reported corresponds to total REO loans, including loans that become REO during current distribution.
Loan Number		Original	Stated		Current	State &
&		Principal	Principal	Paid to	Note	LTV at	Original	Origination
Loan Group		Balance	Balance	Date	Rate	Origination	Term	Date
SPACE INTENTIONALLY LEFT BLANK
				Page 12 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Foreclosure Report for November 25, 2003 Distribution
	Foreclosure Report for December 26, 2003 Distribution
	Foreclosure Report - Mortgage Loans that Become Foreclosure During Current Distribution
SUMMARY				LOAN GROUP
Total Loan Count = 0				Loan Group 1 = Group 1 Group
Total Original Principal Balance = 000.00
Total Current Balance = 000.00
Loan Number		Original	Stated		Current	State &
&		Principal	Principal	Paid to	Note	LTV at	Original	Origination
Loan Group		Balance	Balance	Date	Rate	Origination	Term	Date
SPACE INTENTIONALLY LEFT BLANK
				Page 13 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Prepayment Report for November 25, 2003 Distribution
	Prepayment Report for December 26, 2003 Distribution
	Prepayment Report - Voluntary Prepayments
VOLUNTARY PREPAYMENTS								TOTAL
	Current
	Number of Paid in Full Loans							13
	Number of Repurchased Loans							13
	Total Number of Loans Prepaid in Full							26
	Paid in Full Balance							~~123~~467,~~000~~995.0004
	Repurchased Loans Balance							~~167~~336,~~835~~759.9251
	Curtailments Amount							~~146~~56,~~251~~221.9133
	Total Prepayment Amount							~~437~~860,~~087~~975.8388
	Cumulative
	Number of Paid in Full Loans							14
	Number of Repurchased Loans							14
	Total Number of Loans Prepaid in Full							28
	Paid in Full Balance							~~123~~590,~~000~~995.0004
	Repurchased Loans Balance							~~167~~504,~~835~~595.9243
	Curtailments Amount							~~146~~202,~~251~~473.9124
	Total Prepayment Amount							~~437~~1,~~087~~298,063.8371
SPACE INTENTIONALLY LEFT BLANK
Total Prepayments by Groups (in thousands of dollars)					Total Prepayments (in thousands of dollars)
				Page 14 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Prepayment Report for November 25, 2003 Distribution
	Prepayment Report for December 26, 2003 Distribution
	Prepayment Report - Voluntary Prepayments
VOLUNTARY PREPAYMENT RATES								TOTAL
	SMM							0.1122%
	3 Months Avg SMM
	12 Months Avg SMM
	Avg SMM Since Cut-off							0.1116%
	CPR							12.3156%
	3 Months Avg CPR
	12 Months Avg CPR
	Avg CPR Since Cut-off							1.3194%
	PSA							~~341~~440.2401%
	3 Months Avg PSA Approximation
	12 Months Avg PSA Approximation
	Avg PSA Since Cut-off Approximation							~~341~~401.2429%
CPR by Groups					Total CPR
PSA by Groups					Total PSA
				Page 15 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Prepayment Report for November 25, 2003 Distribution
	Prepayment Report for December 26, 2003 Distribution
	Prepayment Report - Voluntary Prepayments
CPR Avg since Cut-Off by Groups					Total CPR Avg since Cut-Off
PSA Avg since Cut-Off by Groups					Total PSA Avg since Cut-Off
PREPAYMENT CALCULATION METHODOLOGY
Single Monthly Mortality (SMM): (Voluntary partial and full prepayments + Repurchases)/(Beg Principal Balance - Sched Principal)
Conditional Prepayment Rate (CPR): 1-((1-SMM)^12)
PSA Standard Prepayment Model: CPR/(0.02*min(30,WAS))
Average SMM over period between nth month and mth month (AvgSMMn,m): [(1-SMMn) * (1-SMMn+1) .......(1-SMMm)]^(1/months in period n,m)
Average CPR over period between the nth month and mth month (AvgCPRn,m): 1-((1-AvgSMMn,m)^12)
Average PSA Approximation over period between the nth month and mth month: AvgCPRn,m/(0.02*Avg WASn,m))
Average WASn,m: (min(30,WASn)+min(30,WASn+1)+.......+min(30,WASm)/(number of months in the period n,m)
Weighted Average Seasoning (WAS)
Note: Prepayment rates are calculated since deal issue date and include partial and full voluntary prepayments and repurchases.
Dates correspond to distribution dates.
				Page 16 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Prepayment Detail Report for November 25, 2003 Distribution
	Prepayment Detail Report for December 26, 2003 Distribution
	Prepayment Detail Report - Loans Prepaid in Full During Current Distribution
SUMMARY						LOAN GROUP
Total Loan Count = 2						Loan Group 1 = Group 1 Group
Total Loan Count = 6						Loan Group 1 = Group 1 Group
Total Original Principal Balance = 291,000.00
Total Original Principal Balance = 806,560.00
Total Prepayment Amount = 290,835.92
Total Prepayment Amount = 804,754.55
Loan Number			Original			Current	State &	Type Prepayment
&		Loan	Principal	Prepayment	Prepayment	Note	LTV at	&	Origination
Loan Group		Status	Balance	Amount	Date	Rate	Origination	Original Term	Date
55659726 1			123,000.00	123,000.00	Oct-22-03	9.600%	CO - 65.69%	Paid Off - 360	Sep-02-03
52228905 1			88,500.00	88,307.62	Dec-04-03	5.550%	MD - 42.98%	Paid Off - 360	Aug-07-03
55139224 1			168,000.00	167,835.92	Oct-28-03	6.100%	MI - 72.13%	Repur/Subs - 360	Aug-30-03
54414545 1			139,860.00	138,894.92	Nov-21-03	5.990%	FL - 90.00%	Paid Off - 180	Aug-30-03
55432108 1			241,000.00	240,792.50	Dec-09-03	6.750%	NY - 68.88%	Paid Off - 360	Sep-24-03
57782401 1			180,000.00	179,852.16	Nov-13-03	6.990%	NJ - 76.23%	Repur/Subs - 360	Sep-30-03
57816241 1			75,500.00	75,354.89	Nov-13-03	6.990%	FL - 73.37%	Repur/Subs - 240	Sep-30-03
58006164 1			81,700.00	81,552.46	Nov-25-03	7.500%	PA - 49.10%	Repur/Subs - 240	Sep-30-03
					Page 17 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Realized Loss Report for November 25, 2003 Distribution
	Realized Loss Report for December 26, 2003 Distribution
	Realized Loss Report - Collateral
COLLATERAL REALIZED LOSSES								TOTAL
	Current
	Number of Loans Liquidated							-
	Collateral Realized Loss/(Gain) Amount							-
	Net Liquidation Proceeds							-
	Cumulative
	Number of Loans Liquidated							-
	Collateral Realized Loss/(Gain) Amount							-
	Net Liquidation Proceeds							-
	Note: Collateral Realized Loss Amount may include adjustments to loans liquidated in prior periods.
	Current Period loan level losses							0.00
	Current Recoveries or Losses from Prior periods							0.00
	Total Current Losses							0.00
							3 Months Moving Average
Collateral Loss Severity Approximation by Groups					Collateral Loss Severity Approximation
				Page 18 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Realized Loss Report for November 25, 2003 Distribution
	Realized Loss Report for December 26, 2003 Distribution
	Realized Loss Report - Collateral
DEFAULT SPEEDS								TOTAL
	MDR							0.00%
	3 Months Avg MDR
	12 Months Avg MDR
	Avg MDR Since Cut-off							0.00%
	CDR							0.00%
	3 Months Avg CDR
	12 Months Avg CDR
	Avg CDR Since Cut-off							0.00%
	SDA							0.00%
	3 Months Avg SDA Approximation
	12 Months Avg SDA Approximation
	Avg SDA Since Cut-off Approximation							0.00%
	Loss Severity Approximation for Current Period
	3 Months Avg Loss Severity Approximation
	12 Months Avg Loss Severity Approximation
	Avg Loss Severity Approximation Since Cut-off
CDR by Groups					Total CDR
SDA by Groups					Total SDA
				Page 19 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Realized Loss Report for November 25, 2003 Distribution
	Realized Loss Report for December 26, 2003 Distribution
	Realized Loss Report - Collateral
CDR Avg since Cut-Off by Groups					Total CDR Avg since Cut-Off
SDA Avg since Cut-Off by Groups					Total SDA Avg since Cut-Off
COLLATERAL REALIZED LOSS CALCULATION METHODOLOGY
Monthly Default Rate (MDR): (Beg Principal Balance of Liquidated Loans)/(Total Beg Principal Balance)
Conditional Default Rate (CDR): 1-((1-MDR)^12)
SDA Standard Default Assumption: CDR/IF(WAS<61,MIN(30,WAS)0.02,MAX(0.03,MIN(30,WAS)0.02-0.0095*(WAS-60)))
Average MDR over period between nth month and mth month (AvgMDRn,m): [(1-MDRn) * (1-MDRn+1) .......(1-MDRm)]^(1/months in period n,m)
Average CDR over period between the nth month and mth month (AvgCDRn,m): 1-((1-AvgMDRn,m)^12)
Average SDA Approximation over period between the nth month and mth month:
AvgCDRn,m/IF(Avg WASn,m<61,MIN(30,Avg WASn,m)0.02,MAX(0.03,MIN(30,Avg WASn,m)0.02-0.0095*(Avg WASn,m-60)))
Average WASn,m: (WASn + WASn+1 +.......+ WASm )/(number of months in the period n,m)
Loss Severity Approximation for current period: sum(Realized Loss Amount)/sum(Beg Principal Balance of Liquidated Loans)
Average Loss Severity Approximation over period between nth month and mth month: Avg(Loss Severityn,m)
Note: Default rates are calculated since deal issue date and include realized gains and additional realized losses and gains from prior periods.
Dates correspond to distribution dates.
				Page 20 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Realized Loss Detail Report for November 25, 2003 Distribution
	Realized Loss Detail Report for December 26, 2003 Distribution
	Realized Loss Detail Report - Loans Liquidated During Current Distribution
SUMMARY						LOAN GROUP
Total Loan Count = 0						Loan Group 1 = Group 1 Group
Total Original Principal Balance = 0.00
Total Prior Principal Balance = 0.00
Total Realized Loss Amount = 0.00
Total Net Liquidation Proceeds = 0.00
Note: Total Realized Loss Amount may include adjustments to loans liquidated in prior periods.
Loan Number			Original	Prior		Current	State &
&		Loan	Principal	Principal	Realized	Note	LTV at	Original	Origination
Loan Group		Status	Balance	Balance	Loss/(Gain)	Rate	Origination	Term	Date
SPACE INTENTIONALLY LEFT BLANK
					Page 21 of 22				© COPYRIGHT 2003 Deutsche Bank
	Ameriquest Mortgage Securities Inc. 2003-IA1
	Mortgage Pass-Through Certificates
	Triggers, Adj. Rate Cert. and Miscellaneous Report for November 25, 2003 Distribution
	Triggers, Adj. Rate Cert. and Miscellaneous Report for December 26, 2003 Distribution
	Triggers, Adj. Rate Cert. and Miscellaneous Report
TRIGGER EVENTS								TOTAL
	Balances 60+ days							~~337,000,000~~0.00
	Ending Balance							0.00
	Delinquency Percentage							0.00%
ADJUSTABLE RATE CERTIFICATE INFORMATION								TOTAL
	Net WAC Rate Carryover Amt: Class A							0.00
	Net WAC Rate Carryover Amt: Class M-1							0.00
	Net WAC Rate Carryover Amt: Class M-2							0.00
	Net WAC Rate Carryover Amt: Class M-3							0.00
	Net WAC Rate Carryover Amt: Class M-4							0.00
	Net WAC Rate Carryover Amt: Class A unpaid							0.00
	Net WAC Rate Carryover Amt: Class M-1 unpaid							0.00
	Net WAC Rate Carryover Amt: Class M-2 unpaid							0.00
	Net WAC Rate Carryover Amt: Class M-3 unpaid							0.00
	Net WAC Rate Carryover Amt: Class M-4 unpaid							0.00
ADDITIONAL INFORMATION								TOTAL
	Libor for Current Period							1.~~120000~~118750%
	Class A-1 Next Pass-Through Rate							1.~~268750~~291250%
	Class A-6 Next Pass-Through Rate							5.150000%
	Class MF-1 Next Pass-Through Rate							1.~~800000~~798750%
	Class MV-1 Next Pass-Through Rate							4.770000%
	Class M-2 Next Pass-Through Rate							2.~~770000~~768750%
	Class M-3 Next Pass-Through Rate							4.~~120000~~118750%
				Page 22 of 22				© COPYRIGHT 2003 Deutsche Bank

Filing Compare · AMERIQUEST MORTGAGE SEC INC ASSET/PASS THRU CERT 2003-IA1