8-K 1 wfm02011.txt AUGUST 8K UNITED STATES 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): August 26, 2002 WELLS FARGO ASSET SECURITIES CORPORATION Mortgage Pass-Through Certificates, Series 2002-11 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-74308-12 Pooling and Servicing Agreement) (Commission Pending (State or other File Number) IRS EIN jurisdiction of Incorporation) c/o Wells Fargo Bank Minnesota, N.A. 9062 Old Annapolis Road Columbia, MD 21045 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (410) 884-2000 (Former name or former address, if changed since last report) ITEM 5. Other Events On August 26, 2002 a distribution was made to holders of WELLS FARGO ASSET SECURITIES CORPORATION, Mortgage Pass-Through Certificates, Series 2002-11 Trust. ITEM 7. Financial Statements and Exhibits (c) Exhibits furnished in accordance with Item 601(a) of Regulation S-K Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2002-11 Trust, relating to the August 26 2002 distribution. 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. WELLS FARGO ASSET SECURITIES CORPORATION Mortgage Pass-Through Certificates, Series 2002-11 Trust By: Wells Fargo Bank Minnesota, N.A. as Master Servicer By: /s/ Beth Belfield, Assistant Vice President By: Beth Belfield, Assistant Vice President Date: 8/27/02 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2002-11 Trust, relating to the August 26, 2002 distribution. EX-99.1

Wells Fargo Asset Securities Corporation Mortgage Pass-Through Certificates Record Date: 67/3031/02 Distribution Date: 78/2526/02 WFMBS Series: 2002-11 Contact: Customer Service - SecuritiesLink Wells Fargo Bank Minnesota, N.A. Securities Administration Services 7485 New Horizon Way Frederick, MD 21703 Telephone: (301) 846-8130 Fax: (301) 815-6660 Certificateholder Distribution Summary Certificate Certificate Beginning Class Pass-Through Certificate Interest Principal Class CUSIP Description Rate Balance Distribution Distribution A-PO 94978VAB8 PO 0.00000% ~~984~~980,~~057~~204.6018 0.00 3,~~853~~870.4142 A-1 94978VAA0 SEQ 6.00000% ~~218~~215,~~126~~482,~~846~~504.0468 1,~~090~~077,~~550~~336.8296 24,~~644~~227,~~341~~028.3694 A-R 94978VAC6 RES 6.00000% 0.00 0.00 0.00 B-1 94978VAD4 SUB 6.00000% 1,~~459~~454,~~088~~129.2220 7,~~294~~270.8814 4,959.0392 B-2 94978VAE2 SUB 6.00000% ~~561~~559,~~111~~204.1106 2,~~805~~795.3482 1,907.0640 B-3 94978VAF9 SUB 6.00000% ~~335~~334,~~869~~727.3583 1,~~679~~673.2252 1,141.5273 B-4 94978VAG7 SUB 6.00000% 112,~~620~~238.8811 ~~563~~561.0615 382.7784 B-5 94978VAH5 SUB 6.00000% 112,~~620~~238.8811 ~~563~~561.0615 382.7784 B-6 94978VAJ1 SUB 6.00000% ~~224~~223,~~573~~810.4317 1,~~122~~118.7897 763.2640 Totals ~~221~~219,~~916~~259,~~787~~056.5134 1,~~104~~091,~~579~~317.1671 24,~~657~~240,~~731~~437.1849

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses A-PO 0.00 ~~980~~976,~~204~~333.1877 3,~~853~~870.4142 0.00 A-1 0.00 ~~215~~211,~~482~~255,~~504~~475.6874 35,~~734~~304,~~892~~365.1890 0.00 A-R 0.00 0.00 0.00 0.00 B-1 0.00 1,~~454~~449,~~129~~169.2028 12,~~253~~230.9106 0.00 B-2 0.00 ~~559~~557,~~204~~296.0666 4,~~712~~703.4022 0.00 B-3 0.00 ~~334~~333,~~727~~586.8310 2,~~820~~815.7425 0.00 B-4 0.00 ~~112~~111,~~238~~855.1128 ~~945~~943.8399 0.00 B-5 0.00 ~~112~~111,~~238~~855.1128 ~~945~~943.8399 0.00 B-6 0.00 223,~~810~~046.1777 1,~~886~~882.0437 0.00 Totals 0.00 ~~219~~215,~~259~~018,~~056~~618.3488 35,~~762~~331,~~310~~755.3420 0.00 All distributions required by the Pooling and Servicing Agreement have been calculated by the Certificate Administrator on behalf of the Trustee.

Principal Distribution Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Realized Class Amount Balance Distribution Distribution Accretion Loss (1) A-PO 988,156.97 ~~984~~980,~~057~~204.6018 3,~~581~~600.62 ~~271~~269.79 0.00 0.00 A-1 221,391,000.00 ~~218~~215,~~126~~482,~~846~~504.0468 ~~741~~734,~~351~~993.3047 13,~~902~~492,~~990~~035.0647 0.00 0.00 A-R 100.00 0.00 0.00 0.00 0.00 0.00 B-1 1,464,000.00 1,~~459~~454,~~088~~129.2220 4,959.0392 0.00 0.00 0.00 B-2 563,000.00 ~~561~~559,~~111~~204.1106 1,907.0640 0.00 0.00 0.00 B-3 337,000.00 ~~335~~334,~~869~~727.3583 1,141.5273 0.00 0.00 0.00 B-4 113,000.00 112,~~620~~238.8811 382.7784 0.00 0.00 0.00 B-5 113,000.00 112,~~620~~238.8811 382.7784 0.00 0.00 0.00 B-6 225,329.42 ~~224~~223,~~573~~810.4317 763.2640 0.00 0.00 0.00 Totals 225,194,586.39 ~~221~~219,~~916~~259,~~787~~056.5134 ~~754~~748,~~469~~132.3322 13,~~903~~492,~~261~~305.8526 0.00 0.00 (1) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Principal Distribution Statement (continued) Total Ending Ending Total Principal Certificate Certificate Principal Class Reduction Balance Percentage Distribution A-PO 3,~~853~~870.4142 ~~980~~976,~~204~~333.1877 0.~~99195190~~98803510 3,~~853~~870.4142 A-1 24,~~644~~227,~~341~~028.3694 ~~215~~211,~~482~~255,~~504~~475.6874 0.~~97331194~~95421890 24,~~644~~227,~~341~~028.3694 A-R 0.00 0.00 0.00000000 0.00 B-1 4,959.0392 1,~~454~~449,~~129~~169.2028 0.~~99325765~~98986973 4,959.0392 B-2 1,907.0640 ~~559~~557,~~204~~296.0666 0.~~99325766~~98986973 1,907.0640 B-3 1,141.5273 ~~334~~333,~~727~~586.8310 0.~~99325766~~98986973 1,141.5273 B-4 382.7784 ~~112~~111,~~238~~855.1128 0.~~99325761~~98986973 382.7784 B-5 382.7784 ~~112~~111,~~238~~855.1128 0.~~99325761~~98986973 382.7784 B-6 763.2640 223,~~810~~046.1777 0.~~99325765~~98986972 763.2640 Totals 24,~~657~~240,~~731~~437.1849 ~~219~~215,~~259~~018,~~056~~618.3488 0.~~97364266~~95481256 24,~~657~~240,~~731~~437.1849

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion A-PO 988,156.97 ~~995~~991.~~85149918~~95189606 3.~~62454560~~64377332 0.~~27504739~~27302342 0.00000000 A-1 221,391,000.00 ~~985~~973.~~25615784~~31194439 3.~~34860631~~31988866 815.~~59560714~~77315912 0.00000000 A-R 100.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 1,464,000.00 ~~996~~993.~~64495902~~25765027 3.~~38731557~~38792350 0.00000000 0.00000000 B-2 563,000.00 ~~996~~993.~~64495560~~25765542 3.~~38731794~~38792185 0.00000000 0.00000000 B-3 337,000.00 ~~996~~993.~~64495549~~25765579 3.~~38729970~~38792285 0.00000000 0.00000000 B-4 113,000.00 ~~996~~993.~~64495575~~25761062 3.~~38734513~~38796460 0.00000000 0.00000000 B-5 113,000.00 ~~996~~993.~~64495575~~25761062 3.~~38734513~~38796460 0.00000000 0.00000000 B-6 225,329.42 ~~996~~993.~~64495653~~25764918 3.~~38730735~~38792866 0.00000000 0.00000000 (2) Per $1000 denomination.

Principal Distribution Factors Statement (continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution A-PO 0.00000000 3.~~89959300~~91680686 ~~991~~988.~~95189606~~03509932 0.~~99195190~~98803510 3.~~89959300~~91680686 A-1 0.00000000 1119.~~94421345~~09304778 ~~973~~954.~~31194439~~21889661 0.~~97331194~~95421890 1119.~~94421345~~09304778 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 3.~~38731557~~38792350 ~~993~~989.~~25765027~~86972678 0.~~99325765~~98986973 3.~~38731557~~38792350 B-2 0.00000000 3.~~38731794~~38792185 ~~993~~989.~~25765542~~86973357 0.~~99325766~~98986973 3.~~38731794~~38792185 B-3 0.00000000 3.~~38729970~~38792285 ~~993~~989.~~25765579~~86973294 0.~~99325766~~98986973 3.~~38729970~~38792285 B-4 0.00000000 3.~~38734513~~38796460 ~~993~~989.~~25761062~~86973451 0.~~99325761~~98986973 3.~~38734513~~38796460 B-5 0.00000000 3.~~38734513~~38796460 ~~993~~989.~~25761062~~86973451 0.~~99325761~~98986973 3.~~38734513~~38796460 B-6 0.00000000 3.~~38730735~~38792866 ~~993~~989.~~25764918~~86972052 0.~~99325765~~98986972 3.~~38730735~~38792866 (3) Amount Does Not Include Excess Special Hazard, Bankrupcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Interest Distribution Statement Beginning Payment of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class Amount Rate Balance Interest Shortfall Shortfall A-PO 988,156.97 0.00000% ~~984~~980,~~057~~204.6018 0.00 0.00 0.00 A-1 221,391,000.00 6.00000% ~~218~~215,~~126~~482,~~846~~504.0468 1,~~090~~077,~~634~~412.2352 0.00 0.00 A-R 100.00 6.00000% 0.00 0.00 0.00 0.00 B-1 1,464,000.00 6.00000% 1,~~459~~454,~~088~~129.2220 7,~~295~~270.4465 0.00 0.00 B-2 563,000.00 6.00000% ~~561~~559,~~111~~204.1106 2,~~805~~796.5602 0.00 0.00 B-3 337,000.00 6.00000% ~~335~~334,~~869~~727.3583 1,~~679~~673.3564 0.00 0.00 B-4 113,000.00 6.00000% 112,~~620~~238.8811 ~~563~~561.1019 0.00 0.00 B-5 113,000.00 6.00000% 112,~~620~~238.8811 ~~563~~561.1019 0.00 0.00 B-6 225,329.42 6.00000% ~~224~~223,~~573~~810.4317 1,~~122~~119.8705 0.00 0.00 Totals 225,194,586.39 1,~~104~~091,~~663~~394.6526 0.00 0.00

Interest Distribution Statement (continued) Remaining Ending Non-Supported Total Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (4) Distribution Shortfall Balance A-PO 0.00 0.00 0.00 0.00 ~~980~~976,~~204~~333.1877 A-1 8375.4156 0.00 1,~~090~~077,~~550~~336.8296 0.00 ~~215~~211,~~482~~255,~~504~~475.6874 A-R 0.00 0.00 0.00 0.00 0.00 B-1 0.5651 0.00 7,~~294~~270.8814 0.00 1,~~454~~449,~~129~~169.2028 B-2 0.2120 0.00 2,~~805~~795.3482 0.00 ~~559~~557,~~204~~296.0666 B-3 0.1312 0.00 1,~~679~~673.2252 0.00 ~~334~~333,~~727~~586.8310 B-4 0.04 0.00 ~~563~~561.0615 0.00 ~~112~~111,~~238~~855.1128 B-5 0.04 0.00 ~~563~~561.0615 0.00 ~~112~~111,~~238~~855.1128 B-6 0.0908 0.00 1,~~122~~118.7897 0.00 223,~~810~~046.1777 Totals 8476.4855 0.00 1,~~104~~091,~~579~~317.1671 0.00 (4) Amount Does Not Include Excess Special Hazard, Bankrupcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Interest Distribution Factors Statement Beginning Payment of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class (5) Amount Rate Balance Interest Shortfall Shortfall A-PO 988,156.97 0.00000% ~~995~~991.~~85149918~~95189606 0.00000000 0.00000000 0.00000000 A-1 221,391,000.00 6.00000% ~~985~~973.~~25615784~~31194439 4.~~92628079~~86655971 0.00000000 0.00000000 A-R 100.00 6.00000% 0.00000000 0.00000000 0.00000000 0.00000000 B-1 1,464,000.00 6.00000% ~~996~~993.~~64495902~~25765027 4.~~98322404~~96629098 0.00000000 0.00000000 B-2 563,000.00 6.00000% ~~996~~993.~~64495560~~25765542 4.~~98323268~~96628774 0.00000000 0.00000000 B-3 337,000.00 6.00000% ~~996~~993.~~64495549~~25765579 4.~~98323442~~96629080 0.00000000 0.00000000 B-4 113,000.00 6.00000% ~~996~~993.~~64495575~~25761062 4.~~98318584~~96628319 0.00000000 0.00000000 B-5 113,000.00 6.00000% ~~996~~993.~~64495575~~25761062 4.~~98318584~~96628319 0.00000000 0.00000000 B-6 225,329.42 6.00000% ~~996~~993.~~64495653~~25764918 4.~~98323743~~96628447 0.00000000 0.00000000 (5) All classes are per $1000 denomination.

Interest Distribution Factors Statement (continued) Remaining Ending Non-Supported Total Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (6) Distribution Shortfall Balance A-PO 0.00000000 0.00000000 0.00000000 0.00000000 ~~991~~988.~~95189606~~03509932 A-1 0.~~00037675~~00034130 0.00000000 4.~~92590403~~86621841 0.00000000 ~~973~~954.~~31194439~~21889661 A-R 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.~~00038251~~00034836 0.00000000 4.~~98284153~~96594262 0.00000000 ~~993~~989.~~25765027~~86972678 B-2 0.~~00037300~~00035524 0.00000000 4.~~98284192~~96593250 0.00000000 ~~993~~989.~~25765542~~86973357 B-3 0.~~00038576~~00035608 0.00000000 4.~~98284866~~96593472 0.00000000 ~~993~~989.~~25765579~~86973294 B-4 0.00035398 0.00000000 4.~~98283186~~96592920 0.00000000 ~~993~~989.~~25761062~~86973451 B-5 0.00035398 0.00000000 4.~~98283186~~96592920 0.00000000 ~~993~~989.~~25761062~~86973451 B-6 0.~~00039942~~00035504 0.00000000 4.~~98283802~~96592944 0.00000000 ~~993~~989.~~25764918~~86972052 (6) Amount Does Not Include Excess Special Hazard, Bankrupcy,or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 032,763.0065 Deposits Payments of Interest and Principal 35,~~928~~277,~~677~~787.4358 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 066,721.0092 Realized Losses 0.00 Prepayment Penalties 0.00 Total Deposits 35,~~928~~344,~~677~~509.4350 Withdrawals Reimbursement for Servicer Advances ~~85,032~~0.1800 Payment of Service Fee 4845,~~571~~517.2693 Payment of Interest and Principal 35,~~762~~331,~~310~~755.3519 Total Withdrawals (Pool Distribution Amount) 35,~~895~~377,~~913~~273.7912 Ending Balance ~~32,763~~0.6500

PREPAYMENT/CURTAILMENT INTEREST SHORTFALL Total Prepayment/Curtailment Interest Shortfall ~~951~~3,339.6366 Servicing Fee Support ~~867~~3,263.1511 Non-Supported Prepayment/Curtailment Interest Shortfall 8476.4855

SERVICING FEES Gross Servicing Fee 4645,~~294~~675.8413 Master Servicing Fee 3,~~143~~105.5791 Supported Prepayment/Curtailment Interest Shortfall ~~867~~3,263.1511 Net Servicing Fee 4845,~~571~~517.2693

LOAN STATUS STRATIFICATION/CREDIT ENHANCEMENT STATEMENT DELINQUENCY STATUS DELINQUENT BANKRUPTCY FORECLOSURE REO Total No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 1 0 0 0 1 ~~985~~575,~~416~~617.6787 0.00 0.00 0.00 ~~985~~575,~~416~~617.6787 60 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180+ Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 Totals 1 0 0 0 1 ~~985~~575,~~416~~617.6787 0.00 0.00 0.00 ~~985~~575,~~416~~617.6787 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 0.~~232558~~235849% 0.000000% 0.000000% 0.000000% 0.~~232558~~235849% 0.~~447259~~265441% 0.000000% 0.000000% 0.000000% 0.~~447259~~265441% 60 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180+ Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% Totals 0.~~232558~~235849% 0.000000% 0.000000% 0.000000% 0.~~232558~~235849% 0.~~447259~~265441% 0.000000% 0.000000% 0.000000% 0.~~447259~~265441%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 59118,~~195~~759.1239

SUBORDINATION LEVEL/CLASS PERCENTAGE AND PREPAYMENT PERCENTAGE Current Original $ Original % Current $ Current % Class% Prepayment% Class A 2,815,329.42 1.25017633% 2,~~796~~786,~~347~~809.4837 1.~~27536236~~29607817% 98.~~718910~~698010% 100.000000% Class B-1 1,351,329.42 0.60007189% 1,~~342~~337,~~218~~640.2809 0.~~61216093~~62210431% 0.~~666180~~677048% 0.000000% Class B-2 788,329.42 0.35006588% ~~783~~780,~~014~~343.2243 0.~~35711830~~36291900% 0.~~256188~~260368% 0.000000% Class B-3 451,329.42 0.20041753% ~~448~~446,~~286~~757.3933 0.~~20445513~~20777611% 0.~~153349~~155851% 0.000000% Class B-4 338,329.42 0.15023870% ~~336~~334,~~048~~902.2805 0.~~15326540~~15575491% 0.~~051420~~052258% 0.000000% Class B-5 225,329.42 0.10005987% 223,~~810~~046.1777 0.~~10207568~~10373370% 0.~~051420~~052258% 0.000000% Class B-6 0.00 0.00000000% 0.00 0.00000000% 0.~~102534~~104207% 0.000000% Please Refer to the Prospectus Supplement for a Full Description of Loss Exposure

COLLATERAL STATEMENT Collateral Description Fixed 15 Year Weighted Average Gross Coupon 6.~~462814~~461480% Weighted Average Pass-Through Rate 6.000000% Weighted Average Maturity(Stepdown Calculation ) ~~176~~175 Beginning Scheduled Collateral Loan Count ~~434~~430 Number Of Loans Paid In Full 46 Ending Scheduled Collateral Loan Count ~~430~~424 Beginning Scheduled Collateral Balance ~~221~~219,~~916~~259,~~787~~056.5234 Ending Scheduled Collateral Balance ~~219~~215,~~259~~018,~~056~~618.3487 Ending Actual Collateral Balance at 3031-~~Jun~~Jul-2002 ~~220~~216,~~323~~853,~~348~~108.8272 Ending Scheduled Balance For Wells Fargo Serviced ~~218~~214,~~604~~366,~~677~~450.2757 Ending Scheduled Balance For Other Servicers ~~654~~652,~~379~~168.0730 Monthly P &I Constant 1,~~914~~899,~~441~~280.5685 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 Class A Optimal Amount 35,~~734~~304,~~975~~441.5946 Class AP Deferred Amount 0.00 Ending Scheduled Balance for Premium Loans ~~166~~162,~~283~~250,~~379~~863.9221 Ending scheduled Balance For discounted Loans 52,~~975~~767,~~676~~755.4266 Scheduled Principal ~~754~~748,~~469~~132.3321 Unscheduled Principal 13,~~903~~492,~~261~~305.8526 Unpaid Principal Balance Of Outstanding Mortgage Loans With Original LTV: Less Than Or Equal To 80% ~~217~~213,~~369~~174,~~455~~082.6128 Greater Than 80%, less than or equal to 85% ~~350~~348,~~086~~929.5327 Greater than 85%, less than or equal to 95% 1,~~535~~530,~~666~~493.4537 Greater than 95% 0.00

Filing Compare · WELLS FARGO ASSET SEC CORP MORT BK SEC 2002-11 TRUST