What was found
YYC - NOSE GEAR WOULD NOT RETRACT AFTER TAKEOFF. RETURNED TO YYC AND LANDED WITHOUT INCIDENT. SERVICED NOSE GEAR STRUT WITH NITROGEN AND REPLACED VALVE. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
YYC - NOSE GEAR WOULD NOT RETRACT AFTER TAKEOFF. RETURNED TO YYC AND LANDED WITHOUT INCIDENT. SERVICED NOSE GEAR STRUT WITH NITROGEN AND REPLACED VALVE. SYSTEM GROUND CHECKED NORMAL OPERATION.