What was found
MINOR CORROSION AROUND SCREW HOLES ON LBL 27, JUST INBD OF CARGO DOOR. REMOVED CORROISON MATERIAL LOSS MORE THAN 50 PERCENT FOUND TO BE OUT OF LIMITS IAW SRM 53-61-43+ 53-00-00. REMOVED AFT LT FUSELAGE FLOOR CAP. LOCATED AND DRILLED NEW TRACK IAW SRM 51-40-11. INSTALLED FLOOR CAP IAW SRM 51-42-22, 51-42-34, 51-42-20 AND REP 601R-53-61-3778. RECEIVED & COMPLIED WITH REO 601R-53-61-3778 & GREO 601R-53-61-3778 REV A DATED 7/15/2011. COMPLETED AND ATTACHED FORM M335. THIS REPAIR IS CLASSIFIED AS A MAJOR REPAIR IAW ASA SOP 5702.