What was found
PRIOR TO FIRST FLIGHT OF THE DAY, CREW REPORTED FLIGHT DECK EMERGENCY LIGHT SWITCH WAS LEFT ON AND BATTERY DEAD. MAINTENANCE INSPECTED, R & R NR 4 BATTERY PACK AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PRIOR TO FIRST FLIGHT OF THE DAY, CREW REPORTED FLIGHT DECK EMERGENCY LIGHT SWITCH WAS LEFT ON AND BATTERY DEAD. MAINTENANCE INSPECTED, R & R NR 4 BATTERY PACK AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.