As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, CREW SELECTED (GEAR UP) AND GEAR FAILED TO RETRACT. AFTER ABOUT ONE MINUTE, THE GEAR RETRACTED. THE DYNAMIC BRAKE RELAY WAS FOUND TO BE OPERATING INTERMITTENTLY. RECOMMEND REPLACEMENT OF RELAY WITH SOLID STATE CIRCUIT BOARD.