What was found
(CAN) CREW COULD NOT RETRACT GEAR AFTER TAKEOFF. TROUBLESHOOTING FOUND THAT THE GEAR UP PRESSURE SWITCH ON THE POWER-PACK, HYDRAULIC HAD FAILED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) CREW COULD NOT RETRACT GEAR AFTER TAKEOFF. TROUBLESHOOTING FOUND THAT THE GEAR UP PRESSURE SWITCH ON THE POWER-PACK, HYDRAULIC HAD FAILED.