As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - FLT 1473 - AFTER TAKEOFF JFK, UNABLE TO RETRACT LANDING GEAR WITH EITHER SYSTEM 1 OR 2. AIRCRAFT RETURNED TO JFK AND LANDED WITHOUT INCIDENT. REPLACED LEFT MAIN LANDING GEAR PITCH DAMPER. ACCOMPLISHED LANDING GEAR RETRACTION CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED NORMAL OPERATION. (W)