As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - THE EMERGENCY EXIT LIGHTS IN THE CABIN FLICKER WITH BOTH ENGINE GENERATORS ON. ALSO, THE MID CABIN CEILING LIGHT WAS INOPERATIVE WITH THE LIGHT SWITCH TO ON. MAINTENANCE REPLACED THE LEFT MID CABIN EMERGENCY POWER SUPPLY UNIT AND BATTERY PACK. OPERATIONALLY CHECKS OK.