As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C3 S1 C CHECK INSPECTION NOTED AFT BATTERY TRAY FORWARD AND AFT OUTBOARD MOUNTS HAVE EXCESSIVE PLAY CAUSING FRETTING. MAINTENANCE REMOVED AND REPLACED OUTBOARD FORWARD AND AFT MOUNTS ON BATTERY TRAY IN ACCORDANCE WITH THE REQUIREMENTS OF SRM 51-42-11. UPON COMPLETION OF THE REPAIR IT WAS INSPECTED AND FOUND ACCEPTABLE.