As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLT 3738 - THE CREW REPORTED THE LANDING GEAR WOULD NOT RETRACT. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT, WHERE MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR CONTROL VALVE. THE AIRCRAFT WAS THEN APPROVED FOR RETURN TO SERVICE. (M)