What was found
AFT CARGO PIT CORROSION R/H Z ANGLE UPPER SURFACE FROM STA 727A +2' TO STA 767 RBL 20 WL 155 / BLENDED OUT CORROSION ON R/H Z ANGLE UPPER SURFACE; AFT CARGO STA 727A+2 TO 767 RBL 20 WL 155 ORIGINAL THICKNESS .040'; REMAINING THICKNESS .030'; MATERIAL LOSS OF .010' - OUT OF LIMITS IAW SRM 53-00-53-1A-2 REMOVED OUT OF LIMITS Z ANGLE AND FABRICATED NE Z ANGLE IAW SRM 53-00-53-2R-5 AND INSTALLED IAW SRM 55-00-53-2R-5 AND BOEING DWG 146A7500 REV-; CIC'D IAW AMM 51-21-91-620-802 P/N 146A7502-52