What was found
DURING ROUTINE C-CHECK INSP, FOUND FUSELAGE EXTERIOR "D" CARGO DOOR FWD UPPER JAMB CORNER CRACKED AT STA 1400.000 LONGERON 26 RT LONGERON 27 RT. REMOVED FASTENERS AS NEEDED TO PERFORM REPAIR. REMOVED DAMAGED AREA. PERFORMED NDT INSP. NO DISCREPANCY FOUND. FABRICATED REPAIR DOUBLER, REPAIR TRIPPLER , AND FILLER. CLEANED, TREATED, PRIMED AREA AND REPAIR PARTS. INSTALLED NEW FASTENERS AND REPAIR PARTS IAW DWG SR08530019, SRM 51-1-21, SRM 51-1-20D, NDT SPM PART 06-10-01-001, SRM 51-1-8B, AND SRM 51-3-1.