As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON GEAR RETRACTION, RECEIVED NOSE DOOR OPEN WARNING WITH ASSOCIATED AUAL WARNING. AFTER GEAR EXTENSION WARNING REMAINS. ON GROUND DOOR FOUND PHYSICALLY OPEN. REMOVED AND REPLACED NLG SELECTOR VALVE IAW AMM 32-22-20, OPS CHECKS GOOD AT THIS TIME. LEAK CHECK GOOD AT THIS TIME.