What was found
DURING LINE MAINTENANCE WHILE PERFORMING THE EMERGENCY LIGHTS SYSTEM TEST, THE FORWARD LEFT BATTERY FAULTED. REPLACED BATTERY PACK, OPERATIONAL CHECK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING LINE MAINTENANCE WHILE PERFORMING THE EMERGENCY LIGHTS SYSTEM TEST, THE FORWARD LEFT BATTERY FAULTED. REPLACED BATTERY PACK, OPERATIONAL CHECK OK.