As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR HANDLE WOULD NOT MOVE TO THE UP POSITION AFTER TAKEOFF. INSPECTED NOSE LANDING GEAR AND FOUND GEAR EXTENSION BEYOND ALLOWABLE LIMITS. REMOVED LOWER PISTON ASSY AND REPACKED IAW 750 CMM CHP 32-20-02. REINSTALLED LOWER PISTON. C/W GEAR SYSTEM OPS CHECK GOOD IAW 750 MM CHP 32-00-01.