What was found
ORD FLT 5871 THE CREW REPORTED A BATTERY 2 OVERTEMP WARNING MESSAGE ON THE EICAS WHILE AT THE GATE. MAINTENANCE REPLACED THE NR 2 MAIN BATTERY. OPERATIONAL CHECKS WERE GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD FLT 5871 THE CREW REPORTED A BATTERY 2 OVERTEMP WARNING MESSAGE ON THE EICAS WHILE AT THE GATE. MAINTENANCE REPLACED THE NR 2 MAIN BATTERY. OPERATIONAL CHECKS WERE GOOD.