As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A HANGAR CHECK IN MCN, THE EMERGENCY LIGHTS AT THE PASSENGER DOOR AND OVERHEAD IN THE CABIN WERE FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE NR 1 BATTERY PACK. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)