What was found
APU INLET DOOR SUPPORT STRUCTURE FWD STRAP SHOWS SIGNS OF CORROSION. REMOVED FWD STRAP PN: 148N3138-20 AND UPPER MIDDLE ANGLE PN:148N3152-2 AT APU INLET DOOR STRUCTURE IAW SRM 51-40-02-0G-0. REMOVED LOWER MIDDLE ANGLE AND FWD LOWER ANGLE AT APU INLET DOOR STRUCTURE IAW SRM 51-40-02-0G-0. IAW SRM 51-10-02-0G-0 PAR 9. INSTALLED FWD STRAP AND 1EA FWD LOWER ANGLE AT APU INLET DOOR SUPPORT STRUCTURE AREA IAW SRM 51-40-02-0G. INSTALLED FWD STRAP AND 1EA FWD LOWER ANGLE AT APU INLET DOOR SUPPORT STRUCTURE AREA IAW SRM 51-40-02-0G. REPLACED SUPPORT ANGLES AND STRAP IAW DRAWINGS 148N3152, 148N3141 AND 148N3138 IAW B757-200PF SRM CHAPTER 51.