What was found
(B757-49-3-8083) APU AIR INLET DOOR HOUSING FUSELAGE CUTOUT HAS CORROSION. REF ST-SAA NR 0091780. REMOVED CORROSION AND CHECKED LIMITS TO APU AIR INLET DOOR HOUSING FUSELAGE CUTOUT FWD STRAP L=3.0 W=1.0 D=.050, OUT OF LIMITS. AFT MIDDLE STRAP L=20 W=1.0 D=.055 OUT OF LIMITS IAW B757-3 SRM 53-80-15 AD1 PG 105 DETAIL I. REMOVED AND REPLACED FWD STRAP PN 148N3138-20 BATCH 003642292 PO NO.SAG2060519 IAW BOEING DWG 148N3105 REV C. REPAIRED AFT MIDDLE STRAP IAW B757-3 SRM 53-80-15 REPAIR 1 PG 202 PARA 4. WORK ACCOMPLISHED.