As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2214 THE CREW REPORTED A LOUD NOISE FROM THE NOSE WHEEL SECTION OF THE AIRCRAFT. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NOSE LANDING GEAR DOOR SOLENOID VALVE, AND CHECK VALVE ASSEMBLY OPERATIONALLY TESTED WITH NO DEFECTS, TEST FLEW SATISFACTORILY, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.