As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4400 (SWF TO DTW) DURING CLIMB RECEIVED GEAR DISAGREE AND LANDING GEAR WOULD NOT RETRACT AND DOWNLOCKS FAILED TO RELEASE. HANDLE MOVED FREELY. THE AIRCRAFT DIVERTED TO JFK AND LANDED SAFELY. FOUND PSEU CODE D111 OFF. COMPLIED WITH SCENARIO 1 OF PA05-018J. REMOVED AND REPLACED LANDING GEAR CONTROL HANDLE IAW AMM 32-31-01. ALL FUNCTIONAL CHECKS GOOD. AIRCRAFT OK FOR RETURN TO SERVICE.