As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INFLIGHT, AFTER SELECTING GEAR LEVER UP, NOSE GEAR LOCK AND DOOR CYCLED FOR 1 MINUTE THEN LOCKED IN UP POSITION. GEAR EXTENDED NORMALLY AND LOCKED AFTER GEAR LEVER SELECTED DOWN. AIR RETURN UNDER 47,000LBS, LANDING NORMAL, BTMS 2-2-3-3. REF WO 255898 FOR WORK PERFORMED AND ALL RII'S C/W. R&R NOSE DOOR ACTUATOR.