What was found
EXTERNAL FUSELAGE D-BELLY DOOR FWD UPPER CORNER JAMB CRACKED 0.750, STA 1400.000 L-26.5R (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW AD2004-06-06, SB DC8-53-078 REV-1, DWG SRO8530019 CONFIGURATION G, DWG 5750776. REMOVED FASTENERS IAW SRM 51-1-21 PG 1. TRIMMED OUT DAMAGED AREA IAW DWG SRO8530019. FABRICATED FILLER (AL7075-T6 0.080), DOUBLER (AL7075-T6 0.070), TRIPLER (AL7075-T6 0.125) IAW DWG SRO8530019. CLEANED, TREATED AND PRIMED AREA AND REPAIRED PARTS IAW SRM 51-1-8B. INSTALLED CONICAL WASHERS IAW SRM 51-1-26. INSTALLED REPAIRED PARTS IAW DWG SR08530019, SRM 51-1-20D PG 9, SRM 51-1-21 PG 1. PERFORMED REPETITIVE INSPECTIONS IAW AD2004-06-06 PARAGRAPH A)3) AT INTERVALS NOT TO EXCEED 4400 LANDINGS.