What was found
AUXILLARY POWER UNIT INTAKE DOOR FWD & LOWER FRAME HAS CORROSION (OUT OF LIMITS) REMOVED CORROSION, CHECKED LIMITS APU INTAKE DOOR FRAME .090 ORIG THICKNESS, MAT LOSS .025 OUT OF LIMITS, LWR FRAME ORIG THICKNESS .080 MAT LOSS .020 FOUND OUT OF LIMITS IAW SRM 53-80-08 FIG. 101 DET. 12, REMOVED FWD AND LWR APU DOOR FRAME , FABRICATED NEW FWD FRAME ON TRAV. NR T9/ 808165, AND FABRICATED NEW LOWER FRAME, LOCATED AND DRILLER HOLES ON FWD AND LOWER FRAMES, AND INSTALLED IAW SRM 51-40-02, THIS IS MAJOR A REPAIR.