As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCI - DURING MAINTENANCE INSPECTION THE EMERGENCY EXIT LIGHT ON THE AFT GALLEY BULKHEAD WAS FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE NUMBER TWO INVERTER, OPERATIONALLY TESTED WITH NO DEFECTS NOTED. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.