As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2219, THE CREW REPORTED A FIVE SECOND LANDING GEAR AIR GROUND FAIL MESSAGE AFTER SELECTING GEAR UP. THE AIRCRAFT LANDED AT OAH WITHOUT INCIDENT WHERE MAINTENANCE SERVICED BOTH MAIN GEAR SHOCK ABSORBERS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.