As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YYC - FLT 676 - AFTER TAKEOFF, NOSE GEAR DOOR CAUSED VIBRATION. RETURNED AND LANDED YYC WITHOUT INCIDENT. RIGHT NOSE WHEEL WELL DOOR FOUND OPEN. INSPECTED WITH NO DAMAGE FOUND AND SECURED IN UP POSITION. SYSTEM GROUND CHECK NORMAL OPERATION. (M)