As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON RETRACTION, LT DOOR LIGHT AND LT UNSAFE LIGHT REMAINED ON FOR 15 SEC AFTER ALL GEAR WERE UP AND LOCKED, ALT GEAR EXTENSION WAS PERFORMED. LANDING UNEVENTFUL. FERRY FOR REPAIRS. R & R LT GEAR UPLOCK ASSY OPS TEST PERFORMED NO DEFECTS NOTED. RETURNED TO SERVICE.