As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER T/O OUT OF KHTO GEAR WOULD NOT RETRACT, HANDLE DID NOT MOVE. BEFORE LANDING AT HPN COMPLETED EMERGENCY GEAR EXTENSION PROCEDURE. REPLACED LEFT MAIN GEAR SQUAT SWITCH AND RIGGED PER CE560MM 32-61-00. PERFORMED GEAR RETRACTION AND EXTENSIONS PER CE560 MM 32-30-00 OPERATION NORMAL. SQUAT SWITCH FUNCTION NORMAL. ALL WORK IAW CE560MM.