What was found
DURING ROUTINE C-CHECK INSP, FOUND RT OTBD AILERON LOWER SKIN CRACKED AT STA XA 610.000. REMOVED DAMAGED SKIN. FABRICATED NEW SKIN AND BONDED DOUBLER. BONDED PARTS AS NEEDED. CLEANED, TREATED, AND PRIMED AREA AND REPAIR PARTS. PERFORMED RT OTBD AILERON BALANCE. FOUND WITHIN LIMITS MOMENT: 3,349.3 IN-LBS. INSTALLED REPAIR PARTS IAW SRM 51-1-21, SRM 57-1-0 PAGE 1, SRM 57-8-1, FIG 4, ITEM "E" & "L", 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, SRM 51-1-21, AND SRM 51-4-3 PAGES 1-3.