As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - AFTER GEAR RETRACTION, THE LEFT GEAR DOOR REMAINED IN THE OPEN POSITION. CYCLED THE LANDING GEAR AND THE DOOR CLOSED NORMALLY. INSPECTED THE AIRCRAFT AND FOUND IT SAFE FOR A FERRY FLIGHT SEA-PDX. IN PDX ADJUSTED THE JAM NUT ON THE LEFT FORWARD DOOR ACTUATOR STOP PLATE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.