As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C4/S1 C CHECK, INSPECTION REPORTED THE FORWARD AND AFT ATTACH POINTS OF THE NUMBER 1 BATTERY TRAY SHOWED EVIDENCE OF FRETTING. MAINTENANCE REMOVED AND REPLACED THE FORWARD BATTERY TRAY FITTING IN ACCORDANCE WITH THE REQUIREMENTS OF EA A0-53T-12210 AND SRM 51-42-11, PARAGRAPH 7. FOLLOWING THE INSTALLATION OF THE FITTING, IT WAS INSPECTED AND FOUND ACCEPTABLE.