What was found
MAJOR REPAIR, MAIN DECK CARGO COMP. FLOOR BEAM LWR CHORD HAS CORROSION, APPROX AT BS 1420, BTW RBL 24.75 AND RBL 45.50, ID STICKER NUM. (085-075). ATA 53-10. REMOVED 5EA ANGLES FROM AFT CARGO COMP. FRAME UPPER CHORD APPROX AT BS 1360, BTW STGR 25R AND STGR 27R IAW B757-200 SRM 51-40-02. OK TO INSTALL REPAIR ANGLE, 3 FILLERS, 1EA ANGLE P/N STESAAEA 757-5360-01-B0701-14D, 1EA STRINGER CLIP P/N STESAAEA757-5360-01-B0701-14-1A, 1EA ZEE P/N STESAAEA757-5360-01-B0701-14B, 1EA STRINGER CLIP P/N STESAAEA757-5360-01-B0701-14-2A AT AFT CARGO COMP. FRAME UPPER CHORD APPROX AT BS 1360, BTW STGR 25R AND STGR 27 R IAW EA# 757-5360-01-B0701 REV P1 STEP 17.