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): July 25, 2003 MORGAN STANLEY DEAN WITTER CREDIT CORP Heloc Asset-Backed Notes, Series 2003-1 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-104046-01 N/A Pooling and Servicing Agreement) (Commission IRS EIN (State or other File Number) jurisdiction of Incorporation) c/o Wells Fargo Bank Minnesota, NA 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 July 25, 2003 a distribution was made to holders of MORGAN STANLEY DEAN WITTER CREDIT CORP, Heloc Asset-Backed Notes, Series 2003-1 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 Heloc Asset-Backed Notes, Series 2003-1 Trust, relating to the July 25, 2003 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. MORGAN STANLEY DEAN WITTER CREDIT CORP Heloc Asset-Backed Notes, Series 2003-1 Trust By: Wells Fargo Bank Minnesota, N.A. as Indenture Trustee By: /s/ Beth Belfield, Assistant Vice President By: Beth Belfield, Assistant Vice President Date: 8/6/03 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Heloc Asset-Backed Notes, Series 2003-1 Trust, relating to the July 25, 2003 distribution. EX-99.1 <TABLE> <CAPTION> Morgan Stanley Dean Witter Credit Corp HELOC Trust Heloc Asset-Backed Notes Record Date: 6/30/03 Distribution Date: 7/25/03 MSDWCC Series: 2003-1 Contact: Customer Service - CTSLink Wells Fargo Bank Minnesota, N.A. Securities Administration Services 7485 New Horizon Way Frederick, MD 21703 Telephone: (301) 815-6600 Fax: (301) 815-6660 Certificateholder Distribution Summary Certificate Certificate Beginning Class Pass-Through Certificate Interest Principal Class CUSIP Description Rate Balance Distribution Distribution <s> <c> <c> <c> <c> <c> <c> Note 55353WAA4 SEN 1.30500% 482,451,653.08 524,666.17 1,018,566.74 Cert MSH03CERT SUB 0.00000% 12,181,058.93 40,174.20 0.00 OC OC 0.00000% 703,574.40 0.00 0.00 Totals 495,336,286.41 564,840.37 1,018,566.74 </TABLE> <TABLE> <CAPTION> Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses <s> <c> <c> <c> <c> Note 0.00 481,433,086.34 1,543,232.91 0.00 Cert 0.00 13,042,749.58 40,174.20 0.00 OC 0.00 1,722,141.14 0.00 0.00 Totals 0.00 496,197,977.06 1,583,407.11 0.00 <FN> All distributions required by the Pooling and Servicing Agreement have been calculated by the Certificate Administrator on behalf of the Trustee. </FN> </TABLE> <TABLE> <CAPTION> Principal Distribution Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Realized Class Amount Balance Distribution Distribution Accretion Loss (1) <s> <c> <c> <c> <c> <c> <c> Note 483,155,000.00 482,451,653.08 0.00 1,018,566.74 0.00 0.00 Cert 0.00 12,181,058.93 0.00 0.00 0.00 0.00 OC 227.48 703,574.40 0.00 0.00 0.00 0.00 Totals 483,155,227.48 495,336,286.41 0.00 1,018,566.74 0.00 0.00 <FN> (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. </FN> </TABLE> <TABLE> <CAPTION> Principal Distribution Statement (continued) Total Ending Ending Total Principal Certificate Certificate Principal Class Reduction Balance Percentage Distribution <s> <c> <c> <c> <c> Note 1,018,566.74 481,433,086.34 0.99643611 1,018,566.74 Cert 0.00 13,042,749.58 0.00000000 0.00 OC 0.00 1,722,141.14 7,570.51670477 0.00 Totals 1,018,566.74 496,197,977.06 1.02699495 1,018,566.74 </TABLE> <TABLE> <CAPTION> Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion <s> <c> <c> <c> <c> <c> Note 483,155,000.00 998.54426236 0.00000000 2.10815730 0.00000000 Cert 0.00 0.00000000 0.00000000 0.00000000 0.00000000 OC 227.48 3092906.62915421 0.00000000 0.00000000 0.00000000 <FN> </FN> </TABLE> <TABLE> <CAPTION> Principal Distribution Factors Statement (continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution <s> <c> <c> <c> <c> <c> Note 0.00000000 2.10815730 996.43610506 0.99643611 2.10815730 Cert 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 OC 0.00000000 0.00000000 7,570,516.70476525 7570.51670477 0.00000000 <FN> (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. </FN> </TABLE> <TABLE> <CAPTION> 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 <s> <c> <c> <c> <c> <c> <c> Note 483,155,000.00 1.30500% 482,451,653.08 524,666.17 0.00 0.00 Cert 0.00 0.00000% 12,181,058.93 40,174.20 0.00 0.00 OC 227.48 0.00000% 703,574.40 0.00 0.00 0.00 Totals 483,155,227.48 564,840.37 0.00 0.00 </TABLE> <TABLE> <CAPTION> Interest Distribution Statement (continued) Remaining Ending Non-Supported Total Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (4) Distribution Shortfall Balance <s> <c> <c> <c> <c> <c> Note 0.00 0.00 524,666.17 0.00 481,433,086.34 Cert 0.00 0.00 40,174.20 0.00 13,042,749.58 OC 0.00 0.00 0.00 0.00 1,722,141.14 Totals 0.00 0.00 564,840.37 0.00 <FN> (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. </FN> </TABLE> <TABLE> <CAPTION> 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 <s> <c> <c> <c> <c> <c> <c> Note 483,155,000.00 1.30500% 998.54426236 1.08591688 0.00000000 0.00000000 Cert 0.00 0.00000% 0.00000000 0.00000000 0.00000000 0.00000000 OC 227.48 0.00000% 3092906.62915421 0.00000000 0.00000000 0.00000000 <FN> (5) Per $1 denomination. </FN> </TABLE> <TABLE> <CAPTION> Interest Distribution Factors Statement (continued) Remaining Ending Non-Supported Total Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (6) Distribution Shortfall Balance <s> <c> <c> <c> <c> <c> Note 0.00000000 0.00000000 1.08591688 0.00000000 996.43610506 Cert 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 OC 0.00000000 0.00000000 0.00000000 0.00000000 7570516.70476525 <FN> (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. </FN> </TABLE> <TABLE> <CAPTION> CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT <s> <c> Beginning Balance 0.00 Deposits Payments of Interest and Principal 1,846,361.50 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 0.00 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits 1,846,361.50 Withdrawals Reimbursement for Servicer Advances 0.00 Payment of Service Fee 262,954.39 Payment of Interest and Principal 1,583,407.11 Total Withdrawals (Pool Distribution Amount) 1,846,361.50 Ending Balance 0.00 </TABLE> <TABLE> <CAPTION> PREPAYMENT/CURTAILMENT INTEREST SHORTFALL <s> <c> Total Prepayment/Curtailment Interest Shortfall 0.00 Servicing Fee Support 0.00 Non-Supported Prepayment/Curtailment Interest Shortfall 0.00 </TABLE> <TABLE> <CAPTION> SERVICING FEES <s> <c> Gross Servicing Fee 212,699.01 MBIA 50,255.38 Owner Trustee Fee 0.00 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 262,954.39 </TABLE> <TABLE> <CAPTION> OTHER ACCOUNTS Beginning Current Current Ending Account Type Balance Withdrawals Deposits Balance <s> <c> <c> <c> <c> Financial Guaranty 0.00 0.00 0.00 0.00 </TABLE> <TABLE> <CAPTION> LOAN STATUS STRATIFICATION/CREDIT ENHANCEMENT STATEMENT DELINQUENCY STATUS DELINQUENT BANKRUPTCY FORECLOSURE REO Total <s> <c> <c> <c> <c> <c> 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 2 0 0 0 2 178,120.46 0.00 0.00 0.00 178,120.46 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 2 0 0 0 2 178,120.46 0.00 0.00 0.00 178,120.46 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 0.024340% 0.000000% 0.000000% 0.000000% 0.024340% 0.035897% 0.000000% 0.000000% 0.000000% 0.035897% 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 0.024340% 0.000000% 0.000000% 0.000000% 0.024340% 0.035897% 0.000000% 0.000000% 0.000000% 0.035897% </TABLE> <TABLE> <CAPTION> OTHER INFORMATION <s> <c> Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 0.00 </TABLE> <TABLE> <CAPTION> COLLATERAL STATEMENT <S> <C> Collateral Description Fixed & Mixed ARM Weighted Average Gross Coupon 4.472989% Weighted Average Net Coupon 3.957705% Weighted Average Pass-Through Rate 3.835957% Weighted Average Maturity(Stepdown Calculation ) 0 Beginning Scheduled Collateral Loan Count 8,393 Number Of Loans Paid In Full 176 Ending Scheduled Collateral Loan Count 8,217 Beginning Scheduled Collateral Balance 495,336,286.41 Ending Scheduled Collateral Balance 496,197,977.06 Ending Actual Collateral Balance at 30-Jun-2003 496,197,977.06 Monthly P &I Constant 0.00 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 0.00 </TABLE> <TABLE> <CAPTION> <S> <C> Credit Enhancement Draw Amount $0.00 Aggregate Credit Enhancement Draw Amount $0.00 Current Period Additional Draw Amount $24,493,097.64 Aggregate Additional Balances $56,350,511.00 Required Overcollateralization Amount $7,247,328.41 </TABLE>