What was found
AFT PIT STA 727A+18 TO 767; RBL22; WL154; Z ANGLE UPPER SURFACE; NUMEROUS AREAS OF CORROSION; MRK'D IN RED. / REMOVED CORROSION AT AFT PIT STA 727A+18 TO 767 RBL 22 Z-ANGLE IAW B737 SRM 51-10-02-0G-0 ITEM 15. ORIGINAL 'T' .040. 100% MATERIAL LOSS FOUND TO BE OUT OF LIMITS IAW B737 SRM 53-00-53-1A-2. FIG 103. CUT OUT DAMAGE SECTION AT BETWEEN STA 727E AND 727F AND REM;OVED IAW B737 SRM 53-00-53-2R-5 REPAIR 5. FABRICATED REPAIR SECTION SPLICE AND INSTALLED IAW B737 SRM 53-00-53-2R-5 REPAIR 5. REPAIR SECTION AT STA 727E TO 767 RBL 22 146A7502-52