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): ~~July~~October 3113, 2006

J.P. MORGAN MORTGAGE TRUST 2006-S3
(Issuing Entity)
J.P. MORGAN ACCEPTANCE CORPORATION I
(Exact name of Depositor as specified in its charter)
J.P. MORGAN MORTGAGE ACQUISITION CORP.
(Exact name of Sponsor as specified in its charter)
J.P. MORGAN ACCEPTANCE CORPORATION I
(Exact name of Registrant as specified in its charter)
Delaware	333-130192	13-3475488
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)
270 Park Avenue New York, New York 10017
(Address of Principal Executive Offices) (Zip Code)
Registrant’s telephone number, including area code (212) 834-3850

J.P. MORGAN ACCEPTANCE CORPORATION I (as depositor under the Pooling and Servicing Agreement, relating to the J.P. Morgan Alternative Loan Trust 2006-A5, Mortgage Pass-Through Certificates, Series 2006-A5)

J.P. MORGAN ALTERNATIVE LOAN TRUST 2006-A5
(Exact name of Issuing Entity as specified in its charter)

J.P. MORGAN ACCEPTANCE CORPORATION I
(Exact name of Depositor as specified in its charter)

J.P. MORGAN MORTGAGE ACQUISITION CORP.
(Exact name of Sponsor as specified in its charter)
Delaware	333-130192-20	13-3475488
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

270 Park Avenue New York, New York 10017
(Address of Principal Executive Offices) (Zip Code)

Registrant’s telephone number, including area code (212) 834-3850

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(d) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

~~Item~~[ ] 8Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.~~01.~~14a-12)

~~Other~~[ ] ~~Events~~Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

~~Filing~~[ ] ofPre-commencement ~~Computational~~communications ~~Materials~~pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

~~Pursuant~~Item ~~to Rule 424(b) under the Securities Act of 1933, concurrently with, or subsequent to, the filing of this Current Report on Form~~ 8~~-K (the “Form 8-K”), J~~.P01. Other ~~Morgan Acceptance Corporation I (the “Company”) is filing a prospectus and prospectus supplement with the Securities and Exchange Commission relating to its J~~Events.~~P. Morgan Acceptance Corporation I, J.P. Morgan Mortgage Trust 2006-S3.~~

~~Attached~~On ~~hereto~~September as1, ~~Exhibit~~2006, 99J.1P. ~~are~~Morgan ~~the “Computational~~Acceptance ~~Materials”~~Corporation ~~(as~~I ~~defined in~~ (the ~~no-action~~“Company”) ~~letter~~entered ~~dated~~into ~~May~~a ~~20,~~Pooling ~~1994~~and ~~issued~~Servicing byAgreement ~~the~~dated ~~Division~~as of ~~Corporation~~September ~~Finance~~1, of2006 (the ~~Securities~~“Pooling and ~~Exchange~~Servicing ~~Commission (the “Commission~~Agreement”) ~~to Kidder~~, ~~Peabody~~by ~~Acceptance~~and ~~Corporation~~among I,the ~~Kidder~~Company, ~~Peabody~~as &depositor, CoU.S. ~~Incorporated~~Bank National Association, ~~and~~as ~~Kidder~~master ~~Structured~~servicer ~~Asset~~(in ~~Corporation~~such ~~and~~capacity, the ~~no-action~~“Master ~~letter~~Servicer”) ~~made~~and ~~available~~securities ~~May~~administrator ~~27,~~(in ~~1994~~such ~~issued~~capacity, by the ~~Division~~“Securities ofAdministrator”) ~~Corporation~~and ~~Finance~~HSBC ofBank ~~the~~USA, ~~Commission~~National ~~to the Public Securities~~ Association), ~~and/or~~as ~~“ABS~~trustee ~~Term~~(the ~~Sheets~~“Trustee”), ~~(as~~providing ~~defined~~for in the ~~no-action~~issuance ~~letter~~of ~~made~~J.P. ~~available~~Morgan ~~February~~Alternative ~~17,~~Loan ~~1995~~Trust ~~issued~~2006-A5 byMortgage ~~the~~Pass-Through ~~Division~~Certificates. ofThe ~~Corporation~~Pooling ~~Finance~~and ofServicing ~~the~~Agreement ~~Commission~~is toannexed ~~the~~hereto ~~Public~~as ~~Securities~~Exhibit ~~Association)~~4.1.

InItem ~~connection with the offering of the J~~9.P01. Morgan Acceptance Corporation I , J.P. Morgan Mortgage Trust 2006-S3, J.P. Morgan Securities Inc. (“J.P. Morgan Securities”), as underwriter of the Certificates, has prepared certain materials (the “Computational Materials”) for distribution to their potential investors. ~~Although~~Financial ~~the~~Statements ~~Company~~and ~~provided J~~Exhibits.P. Morgan Securities with certain information regarding the characteristics of the Mortgage Loans in the related portfolio, the Company did not participate in the preparation of the Computational Materials.

~~Item 9.01.~~(a) Financial ~~Statements~~statements ~~and~~of ~~Events~~businesses acquired:

Information and Exhibits.

(a)

Not applicable.

(b) Pro forma financial information:

Not applicable.

(d) Exhibits:

~~Exhibits:~~Exhibit No. Description

994.1 The Pooling and Servicing Agreement, dated as of September 1, 2006, by and among the Company, the Master Servicer, the Securities Administrator and the Trustee.

~~Computational~~99.1 Amended ~~Materials~~and Restated Master Mortgage Loan Purchase and Servicing Agreement dated as of December 1, 2005 between Countrywide Home Loans, Inc. and J.P. Morgan Mortgage Acquisition Corp.*

99.2 Assignment, Assumption and Recognition Agreement, dated as of September 1, 2006, by and among J.P. Morgan Acceptance Corporation I, HSBC Bank USA, National Association, as trustee, J.P. Morgan Mortgage Acquisition Corp., Countrywide Home Loans, Inc., Countrywide Home Loans Servicing LP and U.S. Bank National Association, as the master servicer.

99.3 Flow Mortgage Loan Purchase, Warranties and Servicing Agreement, dated as of January 1, 2004, between J.P. Morgan Mortgage Acquisition Corp., as purchaser, and Chase Manhattan Mortgage Corporation, as seller and servicer, as modified by the related Acknowledgement, as amended by Amendment No. 1 thereto, dated as of June 1, 2004, Amendment No. 2 thereto, dated as of January 1, 2005 and Amendment No. 3 thereto, dated as of May 12, 2005, Amendment No. 4 dated as of June 13, 2005, Amendment No. 5 dated as of August 22, 2005 and Amendment Reg AB dated as of January 1, 2006.*

99.4 Flow Mortgage Loan Purchase, Warranties and Servicing Agreement, dated as of January 1, 2005, as amended by that certain Amendment No. 1, dated as of January 1, 2006, by and among JPMorgan Acquisition, as purchaser, JPMCBNA, as the servicer and CHF LLC, as the seller (as amended or modified to the date hereof).**

99.5 Assignment, Assumption and Recognition Agreement, dated as of September 1, 2006, by and among J.P. Morgan Acceptance Corporation I, HSBC Bank USA, National Association, J.P. Morgan Mortgage Acquisition Corp., JPMorgan Chase Bank, National Association and U.S. Bank National Association, as the master servicer.

99.6 Amended and Restated Mortgage Loan Flow Purchase, Sale & Servicing Agreement, dated as of January 1, 2006, between J.P. Morgan Mortgage Acquisition Corp., as the Purchaser and PHH Mortgage Corporation (formerly known as Cendant Mortgage Corporation) and Bishop’s Gate Residential Mortgage Trust (formerly known as Cendant Residential Mortgage Trust), as the Sellers.*

99.7 Assignment, Assumption and Recognition Agreement, dated as of September 1, 2006, by and among J.P. Morgan Acceptance Corporation I, HSBC Bank USA, National Association, as trustee, J.P. Morgan Mortgage Acquisition Corp., PHH Mortgage Corporation, formerly known as Cendant Mortgage Corporation, Bishop’s Gate Residential Mortgage Trust, with PHH Mortgage Corporation, as the servicer and U.S. Bank National Association, as the master servicer.

99.8 ISDA Master Agreement and Schedule to the Master Agreement and Swap Transaction Confirmation, both dated as of September 28, 2006, between JPMorgan Chase Bank, N.A., as swap provider, and U.S. Bank National Association, not in its individual or corporate capacity but solely as trustee for the supplemental interest trust.

* Incorporated herein by reference to the Form 8-K filed with the SEC on February 14, 2006.

** Incorporated herein by reference to the Form 8-K filed with the SEC on March 15, 2006.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

J.P. MORGAN ACCEPTANCE CORPORATION I

By: /s/ Rosa Hyun

Name: Rosa Hyun

Title: Vice President

Dated: ~~July~~October 3113, 2006

Exhibit Index

~~Exhibit~~4.1 The Pooling and Servicing Agreement, dated as of September 1, 2006, by and among the Company, the Master Servicer, the Securities Administrator and the Trustee.

99.1 Amended and Restated Master Mortgage Loan Purchase and Servicing Agreement dated as of December 1, 2005 between Countrywide Home Loans, Inc. and J.P. Morgan Mortgage Acquisition Corp.*

~~Computational~~99.2 Assignment, ~~Materials~~Assumption and Recognition Agreement, dated as of September 1, 2006, by and among J.P. Morgan Acceptance Corporation I, HSBC Bank USA, National Association, as trustee, J.P. Morgan Mortgage Acquisition Corp., Countrywide Home Loans, Inc., Countrywide Home Loans Servicing LP and U.S. Bank National Association, as the master servicer.

99.8 Swap Agreement

* Incorporated herein by reference to the Form 8-K filed with the SEC on February 14, 2006.

** Incorporated herein by reference to the Form 8-K filed with the SEC on March 15, 2006.

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