As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: ROW 21 22 23 28 32 33 36 ISLE EMERGENCY LIGHTS INOPERATIVE: MAINTENANCE NOTED THAT THERE WAS A FAULT MESSAGE FOR EMERGENCY POWER SUPPLY UNIT 11WL WHEN ACCOMPLISHING THE SYSTEM TEST AND REPLACED IT PER AMM 33-51-00. A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYTEM WAS ACCOMPLISHED WITH NO FAULTS NOTED.