As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - MAINTENANCE REPORTED THE EMERGENCY LIGHTS ON LEFT OF AIRCRAFT AT OVERWING EXIT AND LOW LEVEL LIGHTS AT SEAT ROWS 6 THROUGH 9 INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE M1135 BATTERY PACK IN ASSOCIATION WITH MM 33-52-01. OPERATIONAL CHECK GOOD.