As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH WITH GEAR SELECTED DOWN, SYSTEM A-HYDRAULIC QUANTITY DEPLETED TO ZERO. NOSE GEAR WOULD NOT EXTEND, NOSE GEAR WAS MANUALLY EXTENDED. AIRCRAFT LANDED WITHOUT INCIDENT. PHX MAINTENANCE REPLACED NOSE GEAR LOCK ACTUATOR. PERFORMED SYSTEM LEAK CHECK AND OPERATIONAL CHECK OF NOSE GEAR SYSTEM, CHECKED OK.