What was found
AT D-CK, BULKHEAD 1183 HAS U CHANNEL WITH DEEP GOUGE, BS 1183, LBL 25, WL 219, AFT FACE BULKHEAD. BURNISHED OUT GOUGE, FOUND TO BE OUT OF LIMITS PER B727 SRM 53-10-1. INSTALLED EXTRUDED REPAIR PER B727 SRM 51-40-4, FIG 1. REF: N/R 4659.