As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA-AFTER TAKEOFF, LANDING GEAR CYCLED SEVERAL TIMES. GEAR HANDLE LIGHT CAME ON AND LEFT AND RIGHT GEAR UNSAFE AND LEFT AND RIGHT DOOR LIGHTS CYCLED ON AND OFF. REMOVED AND REPLACED RIGHT HAND MAIN LANDING GEAR UPLOCK. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.