As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, THE NOSE GEAR FAILED TO FULLY RETRACT AND WOULD NOT EXTEND TO DOWN AND LOCKED POSITION. THE PILOT PERFORMED VAROIUS MANEUVERS AND GEAR FINALLY EXTENDED DURING A POWER OFF STALL. AFTER LANDING INSPECTION, FOUND THE SHAFT O-RING ON THE NOSE GEAR ACTUATOR BADLY DETERIORATED CAUSING LOSS OF ALL SYSTEM FLUID. ACTUATORS SHOULD BE INSPECTED CLOSELY AND ANY SIGNS OF LEAKAGE SHOULD BE REPORTED. (X)