What was found
DURING C4/S1 CHECK, INSPECTION REPORTED FRETTING ON BATTERY RACK MOUNTS. REPLACED (4) MOUNT FITTINGS AT FR 10 IAW EA NR A9-53R-10649.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C4/S1 CHECK, INSPECTION REPORTED FRETTING ON BATTERY RACK MOUNTS. REPLACED (4) MOUNT FITTINGS AT FR 10 IAW EA NR A9-53R-10649.