As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF WITH BOTH SELECTOR. GEAR HANDLE WOULD NOT COME PASSED THE NORMAL POSITION. T/S FOUND PITCH DAMPER AIR CHARGE VALVE PACKING DAMAGED. REMOVED AND REPLACED PACKING AND SERVICING PITCH DAMPER WITH NITROGEN PER AMM 12-12-30-0. INSPECTED NOT LEAK, FOUND. A/C OK FOR SERVICE, NO FUTHER REPORTS.