As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: CABIN EMERGENCY EXIT LIGHT EMERGENCY POWER SUPPLY UNIT 15WL CHARGER ABOVE L2 DOOR IS INOPERATIVE. REPLACED EMERGENCY POWER SUPPLY UNIT 15WL AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.