As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TAKE OFF, RECEIVED GEAR DISAGREE WARNING WITH NOSE GEAR NOT UP AND LOCKED PERFORMED QRH PROCEDURE AND NOSE GEAR CAME DOWN & LOCKED WITH 3 GREEN. RETURNED TO FIELD. CORRECTIVE ACTION: REMOVED AND REPLACED MANUAL BYPASS NOSE DOOR VALVE IN REFERENCE TO AMM 32-34-40. (TC# 20191003015)