As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TAKEOFF, GEAR WAS SELECTED UP AND WOULD NOT FULLY RETRACT. GEAR WAS SELECTED DOWN AND WAS CONFIRMED DOWN AND LOCKED. ACFT WAS BROUGHT TO MAINTENANCE AND GEAR SWINGS PERFORMED. NO LEAKS OR LOW FLUID LEVELS WERE NOTED, BUT HYDRAULIC POWER PACK WAS FOUND TO BE WEAK. POWER PACK WAS REPLACED AND FUNCTION CHECKED SERVICEABLE.