As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HANGAR MAINTENANCE IN MCN, BOTH LEFT AND RIGHT SIDE AFT EXTERIOR EMERGENCY LIGHTS WERE FOUND INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE NR 3 EMERGENCY LIGHTING BATTERY PACK. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)