As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH, GEAR WAS SELECTED DOWN AND THE NOSE GEAR DID NOT COME DOWN. THE CREW THEN CYCLED THE GEAR, BUT THE NOSE GEAR STILL DID NOT COME DOWN. THE CREW SWITCHED 3B HYDRAULIC PUMP FROM AUTO TO ON AND 30 SECONDS LATER THE NOSE GEAR CAME DOWN. THE LANDING GEAR WAS DEFERRED FOR THE A/C TO RETURN FOR REPAIR. MAINTENANCE T/S DISCOVERED NLG PRIORITY VALVE TO BE AT FAULT. PRIORITY VALVE WAS REPLACED AND GEAR SWINGS C/O AND A/C WAS CHECKED SERVICEABLE. (TC NR 20070812001)