As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - ON TAKEOFF FROM SDF THE CREW REPORTED THAT THE LANDING GEAR WOULD NOT RETRACT WITHOUT PRESSING THE DOWNLOCK RELEASE BUTTON. THE AIRCRAFT CONTINUED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NOSE LANDING GEAR WEIGHT IN WHEELS PROXIMITY SWITCH WITH NO HELP, AND THEN RESECURED CONNECTOR P0838, OPERATIONAL CHECKS WERE PERFORMED WITHOUT DEFECT, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.