As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FINAL APPROACH THE FLIGHT CREW LOWERED THE LANDING GEAR AND THE NOSE GEAR DOORS OPENED BUT THE LANDING GEAR DID NOT EXTEND. THE CREW MANUALLY LOWERED THE NOSE GEAR USING THE EMERGENCY GEAR EXTENSION SYS AND THE SYS WORKED NORMAL. UPON LANDING MAINT INSPECTED THE GEAR AND DETERMINED THAT THE NOSE LANDING GEAR SELECTOR VALVE AND FAILED BY ALLOWING HYD FLUID TO ENTER THE ELECTRICAL CONTROLLING PART OF THE VALVE. THE PN AND SN WERE UNREADABLE UPON REMOVAL OF THE VALVE. A REVIEW OF THE CAMP CARDS PRODUCED THE VALVE INFORMATION.