As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MSP - FL 1543 - ON GEAR EXTENSION, THE NOSE GEAR DID NOT LOWER. CREW BROKE OFF APPROACH AND BEGAN TOWER FLY-BY. THE NOSE GEAR DID DROP AND LOWER CONFIRMED GEAR EXTENDED. CREW CYCLED THE GEAR AND NOSE GEAR AGAIN DID NOT DROP. CREW PERFORMED ALTERNATE GEAR EXTENSION PROCEDURE AND NOSE GEAR EXTENDED. FLIGHT THE LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE NOSE LANDING GEAR DOOR SEQUENCE VALVE. (M)