What was found
FOUND DURING C-CHECK, THE FORWARD ATTACH FLANGE ON RT ENGINE COWL CHAFED AT 464AT. REFER TO CELSIUS TASK CARD 4524, W/O 18816. MAINTENANCE BLENDED CHAFED FWD FLANGE ON RT ENG COWL 464AT IAW 51-70-40. CHAFE EXCEEDS ALLOWABLE LIMITS REF SRM 51-10-10, REMOVED ATTACH FLANGE, EIE LOCATED AND DRILLED NEW FLANGE, ALODINED AND PRIMED PER SRM 51-20-42, AND SRM 51-40-40. FAY SEALED AND INSTALLED REF SRM 51-20-50 AND 51-40-21.