What was found
DURING CHECK-C MAINT, THE AFT CARGO DOOR FRAME AT STA 1155 AND STA 1211, LOWER CORNER CASTINGS WERE CORRODED. REMOVED CORROSION PER SPM 6-80-01 PAGE 1 ITEM 3. GROUND BEYOND LIMITS. REPLACED CORNER CASTINGS PER SPM 6-70-01 PAGE 3, DRAWING 5936469, SRM 51-60 AND SRM 51-20.