As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT, CREW WAS UNABLE TO GET THE NOSE GEAR DOWN INDICATION. EMERGENCY EXTENSION WAS COMPLETED AND A/C LANDED SAFELY. FERRY PERMIT WAS ISSUED AND A/C RETURNED TO YYC MAINTENANCE BASE WITH GEAR DOWN. RT MAIN GEAR ACTUATOR FOUND TO HAVE THE SEAL FOR THE PISTON ROD FAIL, CAUSING THE LOSS OF HYDRAULIC FLUID.