What was found
IN APU COMPARTMENT, LT SUPPORT BRACKETS, ABOVE DOOR CUTOUT HAVE AREAS OF CORROSION AROUND SCREW HOLES, FROM BS 1088 TO 1156 GROUNDED - YES. REMOVED CORROSION FROM THE LT BRACKETS (CHORD) ABOVE DOOR CUTOUT, BS 1080 TO 1156 IAW SRM 53-80-13-1A-2. ORIG. THICKNESS IS .063 IAW SRM 53-80-13-01-2 REMOVED .014 REMAINING THICKNESS IS .049 AND IS FOUND TO BE OUT OF LIMITS IAW SRM 53-80-13-1A-2. REPAIRED THE CHORD AT 2 LOCATIONS USING .071 7075-0 HEA TREATED TO -T62 PER ASA E.A. 800-53EA-29645 REV: 00.