What was found
IAH - DURING PRE-FLIGHT INSPECTION, THE CREW REPORTED THE EMERGENCY LIGHTS WOULD NOT EXTINGUISH. MAINTENANCE CLEANED THE CANNON PLUG ON THE LIGHT CONTROLLER AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
IAH - DURING PRE-FLIGHT INSPECTION, THE CREW REPORTED THE EMERGENCY LIGHTS WOULD NOT EXTINGUISH. MAINTENANCE CLEANED THE CANNON PLUG ON THE LIGHT CONTROLLER AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (X)