What was found
DURING C-3 CHECK, INSPECTION REPORTED WINGLET ATTACH HARDWARE RUSTY. REPLACED WINGLET ATTACH HARDWARE (MILD SURFACE CORROSION ON BOLT HEADS) ON LT WING IAW AMM 57-31-22-400-001.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C-3 CHECK, INSPECTION REPORTED WINGLET ATTACH HARDWARE RUSTY. REPLACED WINGLET ATTACH HARDWARE (MILD SURFACE CORROSION ON BOLT HEADS) ON LT WING IAW AMM 57-31-22-400-001.