What was found
AFT CARGO DOOR LOWER SILL HAS AN ELONGATED FLOORBOARD MOUNT BOLT HOLE 1EA. ON AFT END, REMOVED AND REPLACED THE UNSERVICEABLE CARGO DOOR LOWER SILL PLATE WITH A NEW AFT CARGO DOOR LOWER SILL (P/N MM670-35670-003) USING ALL NEW FASTENERS, IAW SRM 51-42-06-001-001-A01, SRM 51-42-13-001-001-A01, SRM 51-42-21-001-001-A01 AND DWG MM670-35085 REV-L. COMPLIED WITH TASK CARD 51-900-1002-SKY.