As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FAT - LANDING GEAR FAILED TO RETRACT AFTER DEPARTURE. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. FAT MX REMOVED AND REPLACED RIGHT MAIN LANDING GEAR WEIGHT ON WHEELS PROXIMITY SENSOR. LANDING GEAR RETRACTION CHECK NORMAL DURING GEAR SWING. AIRCRAFT RETURNED TO SERVICE. (M)