What was found
AIR RETURN FOR NOSE DOOR OPEN WARNING MSG AT 400 FT ON TAKEOFF. REMOVED AND REPLACED NLG SELECTOR VALVE IAW AMM 32-33-10, LEAK CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR RETURN FOR NOSE DOOR OPEN WARNING MSG AT 400 FT ON TAKEOFF. REMOVED AND REPLACED NLG SELECTOR VALVE IAW AMM 32-33-10, LEAK CHECK GOOD.