What was found
AFT CARGO R/H TRANSITION ANGLE HAS CORROSION AT N/P HOLE STA 727F+16 RBL 21 WL 156. MRKD<[01] REMOVED CORROSION FROM AFT CARGO R/H TRANSITION ANGLE AT N/P HOLE STATION 727F +16? RBL 21. ORIGINAL THICKNESS IS 0.040?. MAX MATERIAL REMOVED 0.006?. MAX ALLOWED IS 0.004?. FOUND TO BE OUT OF LIMITS PER SRM 53-00-53?1A-2;[02] R/H TRANSITION ANGLE FROM STA 727 +4? TO STA 767 TO BE REPLACED ON TTG8Q00Q22PQ;[03] INSPECTED AS REQUIRED. CORRECTIVE ACTION #1 AND #2