As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF AND GEAR HANDLE SELECTED FOR GEAR UP. THE LANDING GEAR WOULDN’T CYCLE UP. STILL SHOWING 3 GREEN LIGHTS AND ON INTRASIT LIGHT. MAIN TECH TROUBLESHOOT SYSTEM AND FOUND THAT THE DYNAMIC RELAY WAS INTERMITTENT. NO RECOMMENDATIONS AT THIS TIME. (K)