As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GRR - AFTER TAKEOFF, THE GEAR HANDLE WOULD NOT MOVE TO RETRACT POSITION. AIRCRAFT MADE AN UNSCHEDULED LANDING. NO EMERGENCY PROCEDURES NECESSARY. FOUND NOSE LANDING GEAR SQUAT SWITCH OUT OF ADJUSTMENT. ADJUSTED NOSE GEAR SQUAT SWITCH IAW FALCON MM 32-60-10. PERFORMED LANDING GEAR RETRACTION TEST IAW FALCON MM 32-30-00. NO DEFECTS NOTED. (M)