What was found
WHEN THE THRUST REVERSERS WERE DEPLOYED ON THE AIRCRAFT, A VERY LOUD SQUEALING NOISE CAME FROM THE NOSE LANDING GEAR STEERING CONTROL VALVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHEN THE THRUST REVERSERS WERE DEPLOYED ON THE AIRCRAFT, A VERY LOUD SQUEALING NOISE CAME FROM THE NOSE LANDING GEAR STEERING CONTROL VALVE.