As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH FLIGHT NR 7631, THE CREW REPORTED THE NOSE GEAR DOOR WAS STUCK OPEN AFTER GEAR RETRACTION. THE AIRCRAFT RETURNED TO IAH AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE NOSE LANDING GEAR DOOR SOLENOID VALVE. OPERATIONAL CHECKS WERE GOOD.