As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER DEPARTURE, CREW NOTICED THAT THE NLG DOOR OPEN LIGHT REMAINED ON AFTER GEAR UP SELECTION. QRH FOLLOWED WITH AN ALTERNATE EXTENSION AND CREW ELECTED TO CARRY ON TO DESTINATION IN VANCOUVER WITH GEAR DOWN. NLG LOCK WAS FOUND IN THE STOWED (NOT ENGAGED) POSITION ON AIRCRAFT ARRIVAL. NO PSEU FAULT CODES FOUND. SEVERAL GEAR SWINGS CONDUCTED WITH NO FAULTS FOUND. NLG SOLENOID SEQUENCE VALVE REPLACED ON SEPC. SEVERAL MORE GEAR SWINGS CONDUCTED SUCCESSFULLY.