As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING B-INSPECTION FOUND THE LEFT OVERWING EMERGENCY LIGHT INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. TROUBLESHOT AND FOUND NO POWER TO LEFT OVERWING EMERGENCY LIGHT ASSEMBLY. REMOVED AND REPLACED THE NR 4 EMERGENCY LIGHT BATTERY AND POWER SUPPLY AND LIGHT BULB. PART NUMBERS FOR LAMPS: 1317 & 30-2510-3. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.