What was found
DURING ROUTINE C-CHECK INSP FOUND RT OTBD FLAP UPPER SKIN CORRODED AT STATION XF 304.000 - 333.0000. REMOVED FASTENERS AS NEEDED TO PERFORM REPAIR. REMOVED CORRODED SKIN. FABRICATED NEW SKIN AND DOUBLERS. BONDED PARTS AS NEEDED WITH HYSOL. CLEANED, TREATED, PRIMED AREA AND REPAIR PARTS. INSTALLED NEW FASTENERS AND REPAIR PARTS IAW SRM 51-1-21, SRM 57-1-0 PAGE 1, SRM 57-7-1, FIG 4, TR 57-94 ITEM "P", "Q", DPS 4.710 REV "L", SRM 51-1-9 TR 51-142, SRM 51-1-9A TR 51-141, DPS 1.950 REV "AR" R-1, SRM 51-1-8B, AND SRM 51-1-21.