As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH, NOSE LANDING GEAR WOULD NOT EXTEND ON FIRST SELECTION, RECYCLED AND THEN OK. FOUND NOSE LANDING GEAR DOOR ACTUATOR BY PASSING AND 3A HYDRAULIC PUMP DELIVERING LOW PRESSURE. BOTH ACTUATOR AND PUMP P/N 848847 REPLACED.