As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING: WHEN EMER LTS SWITCH IS PLACED TO THE ARM POSITION, NO LIGHTS ILLUMINATE, WHEN PLACED ON, ALL LIGHTS ILLUMINATE.//CORRECTIVE ACTION//REMOVED AND REPLACED LH FWD EMERGENCY BATTERY PACK. OPS CHECK GOOD. ALL WORK ACCOMPLISHED IN REF TO 33-50-07 AND 33-50-00.