What was found
DURING A ROUTINE C-CHECK INSPECTION, EXTERNAL FUSELAGE AFT PASSENGER DOOR UPPER CORNER DOOR JAMB CRACKED .5 INCH AT STA 1660.000 L-9 TO L-101. PERFORMED MAJOR REPAIR. REMOVED FASTENER, DAMAGED AREA AND FABRICATED FILLER, DOUBLER, AND TRIPLER. CLEANED, TREATED AND PRIMED AREA + FILLER + DOUBLER + TRIPLER. APPLIED PRC SEALANT ON FAYING SURFACES. INSTALLED FILLER, DOULBER AND TRIPLER WITH NEW FASTENERS PER ALL APPLICABLE MANUALS.