What was found
AT D-CHECK, NR 1 ENG LOWER COWL GEN COOLING EXHAUST DOUBLER HAS CHAFED FLANGE ON COWLING INTERIOR. REPLACED CHAFED FLANGE PER SRM 51-40-3, 20 X 2.5. N/R 7556.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AT D-CHECK, NR 1 ENG LOWER COWL GEN COOLING EXHAUST DOUBLER HAS CHAFED FLANGE ON COWLING INTERIOR. REPLACED CHAFED FLANGE PER SRM 51-40-3, 20 X 2.5. N/R 7556.