As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT - FL 71 - ON APPROACH TO PIT, CREW DID NOT RECEIVE A NOSE GEAR SAFE INDICATION WHEN GEAR WAS EXTENDED. CREW VERIFIED THAT THE GEAR WAS LOCKED THROUGH THE SIGHT TUBE AND PERFORMED A TOWER FLY-BY. FLIGHT LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE NOSE GEAR DOWNLOCK SENSOR ASSEMBLY. (M)