As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE PRE FLIGHT INSPECTION, THE CREW REPORTED THAT SEVERAL OF THE EMERGENCY LIGHTS WERE INOPERATIVE. THE AIRCRAFT WAS REMOVED FROM SERVICE AS MAINTENANCE CLEANED THE CONNECTOR AT THE NR 2 EMERGENCY LIGHT POWER SUPPLY. SYSTEM OPS CHECKED GOOD FOLLOWING REPAIR. AIRCRAFT WAS THEN RETURNED TO SERVICE.