As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IND - FLT 4402 - CREW REPORTED NR 2 MAIN BATTERY OVERTEMP MESSAGE ON EICAS. AFTER FOLLOWING AOM PROCEDURES BATTERY TEMPERATURE WENT UP TO 80 DEGREES. CREW DIVERTED TO IND. CONTRACT MAINTENANCE T/S SYSTEM TO A FAULTY BATTERY TEMPERATURE SENSOR. BOTH BATTERIES WERE REMOVED AND REPLACED S/N 9904212, 9904200. OPERATIONAL CHECK WAS SATISFACTORY AND AIRCRAFT WAS RETURNED TO SERVICE. (M)