What was found
DURING C-04 CHECK CORROSION WAS FOUND ON UPPER AND LOWER SURFACE OF AFT CARGO COMPARTMENT CORNER PROFILE FR 59-60, RBL 686 MM. MAINTENANCE REMOVED DAMAGED AFT CARGO COMPARTMENT CORNER PROFILE FR 59-60, RBL 686MM, FABRICATED A NEW REPLACEMENT PROFILE; INSTALLED REPAIR PART IAW AWA E.R. 26-5341-03142-TB5.