As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH, WHEN SELECTING GEAR DOWN, RECEIVED GEAR DISAGREE. C/W QRH, MESSAGE CLEARED. ALL GEAR DOWN AND LOCKED BY MANUAL EXTENSION. NLG REMAINED UP INITIALLY. AIRCRAFT REMOVED FROM SERVICE, REF WO 307780 FOR WORK PERFORMED R/R NLG SELECTOR VALVE.