As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLT 3780 - THE CREW REPORTED THE RIGHT MAIN LANDING GEAR WOULD NOT LOCK IN THE UP POSITION. THE AIRCRAFT RETURNED TO IAH AND LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED THE RIGHT MAIN LANDING GEAR AND INSTALLED THE AFT TRUNNION PIN SPACER, AND REINSTALLED THE LANDING GEAR, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)