As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION, FOUND THE MAIN ENTRANCE CEILING EMERGENCY LIGHT INOPERATIVE. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 1 EMERGENCY LIGHT BATTERY POWER SUPPLY IAW AMM 33-50-04. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.