As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, PILOT SELECTED GEAR UP. THE GEAR REMAINED IN THE DOWN AND LOCKED POSITION. TROUBLESHOT SYSTEM AND FOUND THE DYNAMIC RELAY WAS STICKING. PROBABLE CAUSE IS THE POINTS NOT RELEASING. RECOMMEND THAT A DIFFERENT STYLE RELAY BE USED.