What was found
AFT CARGO RT STA 727E TO 767 'Z' ANGLE UPPER SURFACE CORRODED. WL157 RBL 20. DURING CORROSION REMOVAL 100% MATERIAL LOSS NOTED. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 FIG 103 DET 'D'; RECEIVED AND VERIFIED NEW 'Z' ANGLE A42376. LOCATED AND DRILLED Z-ANGLE IAW SRM 51-40-05 AND DWG 146A7502. INSTALL Z-ANGLE IAW SRM 51-40-02 AND DRAWING146A7502. TREATED AND PRIMED IAW AMM 51-21-72 AND SRM 51-20-01. APPLIED CIC IAW AMM 51-21-91 ('Z' ANGLE WAS INSTALLED ON RT STA 727 TO 767.) P/N 146A7502-51.