As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) NOSE GEAR DID NOT COME DOWN AFTER THE GEAR WAS SELECTED DOWN. THE NOSE GEAR STAYED IN THE UP LOCK POSITION. THE NOSE GEAR DOORS DID OPEN. THE CREW USED THE EMERGENCY SYSTEM TO GET THE GEAR DOWN. WE REPLACED THE SELECTOR VALVE AND THE PRIORITY VALVE SO FAR. PRIORITY VALVE, PN: 4622, SELECTOR VALVE, PN: 601R75146-1.