As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)AIRCRAFT DEPARTED FOR A LOCAL TEST FLIGHT. IT WAS FOUND THAT THE NOSE LANDING GEAR WOULD NOT FULLY RETRACT. THE GEAR WAS CYCLED AND EVENTUALLY MADE ITS WAY DOWN AND LOCKED. THE AIRCRAFT LANDED SAFELY.MAINTENANCE INSPECTED AND FOUND THAT DUE TO A LONG PERIOD OF INACTIVITY THEY BELIEVE THAT THERE WAS AIR IN THE HYDRAULIC SYSTEM.