What was found
JFK - INFLIGHT T1291/17 ALL THREE LANDING GEAR WOULD NOT RETRACT IN SYSTEM ONE OR TWO. REPLACED PROXIMITY BOX FOR LANDING GEAR. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
JFK - INFLIGHT T1291/17 ALL THREE LANDING GEAR WOULD NOT RETRACT IN SYSTEM ONE OR TWO. REPLACED PROXIMITY BOX FOR LANDING GEAR. SYSTEM GROUND CHECKED NORMAL OPERATION.