As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON GEAR RETRACTION AFTER DEPARTING JFK, WE RECEIVED "GEAR DISAGREE" WARNING MESSAGE FOLLOWED POM PROCEDURE. GEAR INDICATED NORMAL (DOWN AND LOCKED) RETURNED TO JFK FOR A NORMAL LANDING. COMPLIED WITH FCR 32006. RE-TORQUED DOOR BRACKET NUTS PER FCR 23006. GEAR SWINGS DONE IAW 32-30-00. ALL CHECKS GOOD.