What was found
FLT 7420 - STL - ENGINE VIBRATION FROM UNDETERMINED SIDE. MAINTENANCE REPLACED LEFT ENGINE PROP DE-ICE BRUSH BLOCK. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 7420 - STL - ENGINE VIBRATION FROM UNDETERMINED SIDE. MAINTENANCE REPLACED LEFT ENGINE PROP DE-ICE BRUSH BLOCK. (M)