J.P. MORGAN ACCEPTANCE CORPORATION II ABS-15G
Exhibit 99.42
| Loan ID | Seller Loan ID | Investor Loan ID | Transaction ID | Field Name | Source | Verified Value | Bid Tape Value | Comment |
| XXXX | 304498025 | XXXX | Loan Program | the1003Page | XXXX | XXXX | XXXX | |
| XXXX | 304498148 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 304701957 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 304701957 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 304731335 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 304493490 | XXXX | Calculated DSCR | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 304734711 | XXXX | Calculated DSCR | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 304765373 | XXXX | Property Zip Code | notePage | XXXX | XXXX | XXXX | |
| XXXX | 304765373 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 304765373 | XXXX | Prepayment Penalty Total Term | notePage | XXXX | XXXX | XXXX | |
| XXXX | 304765373 | XXXX | Calculated DSCR | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 304730921 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 304818172 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 304818172 | XXXX | Monthly Property Tax Amount | titlePage | XXXX | XXXX | XXXX | |
| XXXX | 304731895 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 304731895 | XXXX | Calculated DSCR | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 304734699 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 304819308 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 304827036 | XXXX | Loan Type | the1003Page | XXXX | XXXX | XXXX | |
| XXXX | 304827036 | XXXX | Qualifying FICO | creditLiabilitiesPage | XXXX | XXXX | XXXX | |
| XXXX | 304827036 | XXXX | Interest Only Flag | notePage | XXXX | XXXX | XXXX | |
| XXXX | 304827036 | XXXX | Calculated DSCR | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 304840759 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 304840759 | XXXX | Qualifying FICO | creditLiabilitiesPage | XXXX | XXXX | XXXX | |
| XXXX | 304845622 | XXXX | Qualifying CLTV | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 304898784 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 304898693 | XXXX | Third Party Market Rent Estimate | businessPurposePage | XXXX | XXXX | XXXX | |
| XXXX | 304898693 | XXXX | Monthly Property Tax Amount | titlePage | XXXX | XXXX | XXXX | |
| XXXX | 304898693 | XXXX | Cash Disbursement Date | hudClosingDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 304898635 | XXXX | Qualifying Rent Income Source | businessPurposePage | XXXX | XXXX | XXXX | |
| XXXX | 304898635 | XXXX | Actual in Place Rent From Lease | businessPurposePage | XXXX | XXXX | XXXX | |
| XXXX | 304898633 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 304898821 | XXXX | Note Date | notePage | XXXX | XXXX | XXXX | |
| XXXX | 305040459 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 305040459 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305040459 | XXXX | Qualifying Total Debt Income Ratio | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 305040467 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 305040467 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305040468 | XXXX | Property Value | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305040468 | XXXX | Loan Program | businessPurposeApprovalandGuidelinePage | XXXX | XXXX | XXXX | |
| XXXX | 305040468 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305040468 | XXXX | Qualifying Total Debt Income Ratio | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 304818257 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 304818257 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 304896201 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 304896201 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 304893522 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 304893522 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 304893522 | XXXX | Calculated DSCR | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 304896420 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 304896420 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 304889669 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 304896700 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 304907271 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 304896834 | XXXX | Qualifying FICO | creditLiabilitiesPage | XXXX | XXXX | XXXX | |
| XXXX | 304875965 | XXXX | Borrower 1 Marital Status | the1003Page | XXXX | XXXX | XXXX | |
| XXXX | 304875965 | XXXX | Qualifying FICO | creditLiabilitiesPage | XXXX | XXXX | XXXX | |
| XXXX | 304907204 | XXXX | Qualifying FICO | creditLiabilitiesPage | XXXX | XXXX | XXXX | |
| XXXX | 304909614 | XXXX | Borrower 1 Citizen | the1003Page | XXXX | XXXX | XXXX | |
| XXXX | 304909614 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 304907304 | XXXX | Qualifying FICO | creditLiabilitiesPage | XXXX | XXXX | XXXX | |
| XXXX | 305059295 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 305059295 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305028477 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305028477 | XXXX | Calculated DSCR | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 305028477 | XXXX | ARM Initial Fixed Rate Period | notePage | XXXX | XXXX | XXXX | |
| XXXX | 305028477 | XXXX | ARM Lifetime Interest Rate Cap Maximum | notePage | XXXX | XXXX | XXXX | |
| XXXX | 305028477 | XXXX | ARM Subsequent Interest Rate Cap | notePage | XXXX | XXXX | XXXX | |
| XXXX | 304903224 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 304874104 | XXXX | Borrower 1 Citizen | the1003Page | XXXX | XXXX | XXXX | |
| XXXX | 304874104 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 304908520 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 304909836 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305013418 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305040446 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305028496 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305029293 | XXXX | Qualifying FICO | creditLiabilitiesPage | XXXX | XXXX | XXXX | |
| XXXX | 305080357 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305026121 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305029554 | XXXX | Qualifying FICO | creditLiabilitiesPage | XXXX | XXXX | XXXX | |
| XXXX | 305029554 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305030626 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305036079 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305028195 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305027093 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305031074 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305036561 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305040465 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305040465 | XXXX | Qualifying Total Debt Income Ratio | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | XXXX | 305048624 | XXXX | Verified Doc Type | employmentIncomePage | XXXX | XXXX | XXXX |
| XXXX | XXXX | 305048624 | XXXX | Qualifying Total Housing Expense PITIA | diligenceFinalLookPage | XXXX | XXXX | XXXX |
| XXXX | 305054666 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 305054666 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305048484 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 305048484 | XXXX | Sales Price | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305048484 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305031485 | XXXX | Qualifying FICO | creditLiabilitiesPage | XXXX | XXXX | XXXX | |
| XXXX | 305031485 | XXXX | Amortization Term | notePage | XXXX | XXXX | XXXX | |
| XXXX | 305031485 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305048531 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 305048531 | XXXX | Qualifying Total Debt Income Ratio | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 305048533 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305040466 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 305040466 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305040466 | XXXX | Qualifying Total Debt Income Ratio | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 305048565 | XXXX | Loan Program | businessPurposeApprovalandGuidelinePage | XXXX | XXXX | XXXX | |
| XXXX | 305048565 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 305048399 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305048399 | XXXX | Calculated DSCR | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 305048459 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 305048459 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305040447 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 305048544 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 305048544 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305048544 | XXXX | Calculated DSCR | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 305048585 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 305048585 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305040618 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305054665 | XXXX | Calculated DSCR | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 305034526 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305031482 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305031482 | XXXX | Primary Appraisal Date | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305039610 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305039610 | XXXX | Primary Appraisal Date | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305036793 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305031108 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305047760 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305047760 | XXXX | Interest Rate | notePage | XXXX | XXXX | XXXX | |
| XXXX | 305047760 | XXXX | CLTV | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305047760 | XXXX | Monthly Property Tax Amount | titlePage | XXXX | XXXX | XXXX | |
| XXXX | 305047760 | XXXX | Total Monthly Property Insurance Amount | propertyInsurancePage | XXXX | XXXX | XXXX | |
| XXXX | 305047760 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 305034537 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305034666 | XXXX | Borrower 1 Self-Employment Flag | employmentIncomePage | XXXX | XXXX | XXXX | |
| XXXX | 305054662 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305048416 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305048416 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305048416 | XXXX | Calculated DSCR | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 305030695 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 305030695 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305030695 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305051412 | XXXX | Property Value | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305051412 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305042626 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 305042626 | XXXX | Property City | notePage | XXXX | XXXX | XXXX | |
| XXXX | 305042626 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305042626 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305045999 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305045999 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305045999 | XXXX | Calculated DSCR | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 305048557 | XXXX | Property Value | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305048557 | XXXX | Qualifying CLTV | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305054827 | XXXX | Interest Rate | notePage | XXXX | XXXX | XXXX | |
| XXXX | 305054827 | XXXX | Initial Monthly P&I Or IO Payment | notePage | XXXX | XXXX | XXXX | |
| XXXX | 305048302 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305048302 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305047494 | XXXX | Borrower 1 Total Income | the1003Page | XXXX | XXXX | XXXX | |
| XXXX | 305047494 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX | |
| XXXX | 305047494 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305047494 | XXXX | Qualifying CLTV | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305047494 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305047494 | XXXX | Calculated DSCR | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 305059350 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305059350 | XXXX | Calculated DSCR | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 305048512 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305055010 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305061744 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305061744 | XXXX | Calculated DSCR | diligenceFinalLookPage | XXXX | XXXX | XXXX | |
| XXXX | 305048370 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305048370 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305061098 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305061098 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305064795 | XXXX | Property Type | propertyValuationPage | XXXX | XXXX | XXXX | |
| XXXX | 305064795 | XXXX | Qualifying Total Reserves Number of Months | assetPage | XXXX | XXXX | XXXX | |
| XXXX | 305054828 | XXXX | Application Date | complianceDetailPage | XXXX | XXXX | XXXX |