What was found
STL - FLT NR 7050 - HIGH FREQUENCY VIBRATION ON NR 1 ENGINE. MAINTENANCE REPLACED NR 1 STARTER GENERATOR AND SPLINE ADAPTER GROUND RUN GOOD. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STL - FLT NR 7050 - HIGH FREQUENCY VIBRATION ON NR 1 ENGINE. MAINTENANCE REPLACED NR 1 STARTER GENERATOR AND SPLINE ADAPTER GROUND RUN GOOD. (M)