As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW OF FLIGHT 1302 FOUND THAT THE L2 DOOR EMERGENCY LIGHTS WILL NOT WORK WHEN TESTED. MAINTENANCE FOUND A GROUND STUD CONNECTION FOR THE BATTERY PACK LOOSE AND RETORQUED IT AND ALSO REPLACED THE BATTERY PACK POWER SUPPLY. LIGHT CHECKED OK.