As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHTS FAILED THE OPERATIONAL TEST. MAINTENANCE FOUND WIRE 340RH13-A1 TO BE DISCONNECTED FROM MODULE 340RH13 UNDER CEILING PANEL OVER EMERGENCY POWER SUPPLY UNIT 14WL, RECONNECTED WIRE AND PERFORMED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38 WITH NO ISSUES NOTED.