As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK INFLIGHT T1375/09JAN BDL TO SJU - LANDING GEAR WOULD NOT RETRACTION SYSTEM ONE AND TWO. CREW CONFIRMED GEAR WAS DOWN AND LOCKED. LANDED JFK WITHOUT INCIDENT. REPLACED LEFT MAIN LANDING GEAR PITCH DAMPER. SYSTEM GROUND CHECKED NORMAL OPERATION.