As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A-CHECK INSPECTION NUMEROUS EMERGENCY LIGHTS IN THE CABIN FAILED TO ILLUMINATE. MAINTENANCE R & R THE NR 1 EMERGENCY LIGHT BATTERY PACK, OPERATIONALLY TESTED WITH NO DEFECTS NOTED, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.