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, HYDRAULIC POWERPACK FAILED. GEAR HAD TO BE MANUALLY EXTENDED. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. UPON INSPECTION IT WAS FOUND THAT THE ELECTRIC MOTOR THAT DRIVES THE HYDRAULIC PUMP HAD FAILED DUE TO INTERNAL SHORT. MOTOR WAS REPLACED. (TC# 20090924009)