As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: LEFT HAND EXTERNAL WING EMERGENCY LIGHTS ARE INOPERATIVE. REPLACED EMERGENCY POWER SUPPLY UNIT 11WL (AALA202303306983) AND BATTERY (AALA202303301641) PER AMM 33-51-38. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.