As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 3439, MEM TO IAH, THE CREW REPORTED THAT THE ENGINE ONE FIRE LIGHT ILLUMINATED INTERMITTENTLY IN FLIGHT AT LOW POWER SETTINGS. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE INSPECTED THE AIRCRAFT. DISCONNECTED, CLEANED AND RE-CONNECTED THE NUMBER ONE ENGINE FIRE LOOP. OPERATIONAL CHECKS WERE PERFORMED WITH NO DEFECTS NOTED. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.