What was found
DURING LINE MAINTENANCE, THE FORWARD LEFT EPSU 10 WL FAILED THE EMERGENCY LIGHTS TEST. REPLACED THE BATTERY PACK AND OPERATIONAL CHECK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING LINE MAINTENANCE, THE FORWARD LEFT EPSU 10 WL FAILED THE EMERGENCY LIGHTS TEST. REPLACED THE BATTERY PACK AND OPERATIONAL CHECK OK.