As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) GEAR DISAGREE LIGHT ON AFTER TAKEOFF FROM LAGUARDIA. NOSE GEAR AND DOOR REMAINED DOWN AND LOCKED. AIRCRAFT CONTINUE TO OTTAWA WITH GEAR DOWN. NOSE GEAR DOOR SELECTOR VALVE REPLACED. MAIN AND NOSE GEARS RETRACTION AND EXTENSION CARRIED OUT SEVERAL TIMES. NO FAULT FOUND.