As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF LANDING GEAR WOULD NOT RETRACT. GEAR HANDLE LOCKED IN THE DOWN POSITION AND WOULD NOT MOVE. NO OTHER ABNORMAL INDICATIONS. OUND NOSE STRUT NOT FULLY EXTENDED. REPACKED THE NLG STRUT AND SERVICED IAW MM 32-20-02. SWUNG GEAR, OPS & LEAK CHECKS GOOD.