What was found
INSPECTION TYPE:C, CORROSION AT LAP JOINT S19R BS 500 TO BS 481 AT VARIOUS LOCATIONS. HFEC AND LFEC CARRIED OUT LFEC FOUND 15 - 20 PERCENT CORROSION BS 485 - 498. OTHER AREAS NO DEFECTS FOUND. HFEC RESULTS NO DEFECTS FOUND. FASTENERS REMOVED IN CRITICAL AREA IAW SRM 51-30-00 NDF. REPAIR CARRIED OUT IAW UPS EO B727-5330-0509 APPIX 8.3 SRM 53-30-3 FIG 14 AND SMRO EO 2000-0 41-010 WITH UPPER SKIN CUTOUT BETWEEN BS 498 AND 485. UPS FILE NO727-53 -2300.