As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THEY RECEIVED AN EMERGENCY LIGHT BATTERY FAULT ON EICAS AND THERE WERE SEVERAL AFT CABIN EMERGENCY LIGHTS ON WHEN THE SWITCH WAS IN THE ARMED POSITION. MAINTENANCE RESET ACFT POWER IAW AMM AND OPS CHECKED GOOD. ACFT IS GOOD FOR SERVICE.