What was found
FWD CARGO DOOR (PIT DOOR), EXTERNAL SKIN CRACKED, 30 INCHES AFT OF LEADING EDGE, 3 INCHES ABOVE LOWER EDGE CUTOUT DAMAGE, PERFORMED HFEC INSP OF CUTOUT. NO DEFECTS NOTED. PERFORMED INSURANCE CUT. FABRICATED DOUBLER AND TREATED AND PRIMED REPAIR PARTS AND REPAIR AREA. INSTALLED AND SEALED DOUBLER. REPAIR IS A CAT "B" REPAIR DUE TO FASTENERS IN CRITICAL ROW ON INTERNAL STRUCTURE. REF SRM 52-00-3 FIG 3. THIS IS CLASSIFIED AS A MAJOR REPAIR.