As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING NORMAL APPROACH THE PILOT SELECTED GEAR DOWN, THE HYDRAULIC POWER PACK FAILED TO ENERGIZE RESULTING IN THE LANDING GEAR FAILING TO EXTEND. THE PILOT MANUALLY EXTENDED THE LANDING GEAR AND LANDED THE AIRCRAFT NORMALLY RESULTING IN NO DAMAGE. THE SYSTEM WAS TROUBLESHOT TO A DEFECTIVE HYDRAULIC RELAY P.N. 9740926112.