What was found
AFT F/A STATION OVERHEAD CEILING EMERGENCY LIGHT STAYS ON CONSTANTLY AFTER EXTERNAL POWER AND GROUND SERVICE BUS IS OFF. REPLACED BATTERY PACK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFT F/A STATION OVERHEAD CEILING EMERGENCY LIGHT STAYS ON CONSTANTLY AFTER EXTERNAL POWER AND GROUND SERVICE BUS IS OFF. REPLACED BATTERY PACK.