As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - MAINTENANCE REPORTED THE SEAT MOUNTED AND BULL NOSE EMERGENCY ESCAPE PATH LIGHTING, IN THE MID-CABIN, INOPERATIVE. MAINTENANCE TROUBLESHOT PROBLEM TO THE MID-CABIN BATTERY PACKS. REMOVED AND REPLACED MID-CABIN BATTERY PACKS. OPERATIONAL CHECK GOOD.