As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT DOOR AND RIGHT MAIN GEAR UNSAFE LIGHT ILLUMINATED AFTER TAKE OFF AND GEAR RETRACTION. RIGHT MAIN GEAR RETRACTED, BUT GEAR DOOR REMAINED OPEN. ALTERNATE GEAR EXTENSION CHECKLIST ACCOMPLISHED. RETURNED TO FIELD. LANDING UNEVENTFUL. REMOVED FROM SERVICE.