As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LANDING GEAR DID NOT RETRACT ON UP SELECTION. GEAR SELECTED DOWN AND GEAR INDICATION STILL SHOWED DOWN AND LOCKED. MAINTENANCE PERSONNEL INSPECTED LANDING GEAR INTEGRITY IN THE DOWN AND LOCKED POSITION AND DISABLED THE GEAR DOWN AND LOCKED. FURTHER TROUBLESHOOTING DETERMINED THE HYDRAULIC POWER PACK HAD FAILED. HYDRAULIC POWER PACK REPLACED AND RETRACTION TESTS CARRIED OUT. PART TC: 10,017.