What was found
FOUND DURING C-CHECK, LT WING FWD SPAR LOWER CAP IB OF NACELLE IS CHAFED. MAINTENANCE LIGHTLY BLENDED AREA, ALODINED BARE METAL IAW SRM 51-20-43. FOUND DEEP CORROSION PITS, OUT OF ALLOWABLE LIMIT REF SRM 51-10-10. REMOVED 511BL/CL/AL TO FOM, REINSTALLED I/ES 511AL, 511BL AND 511CL IAW AMM 57-20-05. PERFORMED OPS CHECK GOOD.