What was found
FLIGHT 5490 VIB WARNING WHEN T/O THRUST APPLIED.COULD NOT DUPLICATE - INSPECTED ENGINE AND FOUND NO DISCREPANCIES, C/W A FAN TRIM BALANCE AND REDUCED VIB FROM .9 TO .4
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 5490 VIB WARNING WHEN T/O THRUST APPLIED.COULD NOT DUPLICATE - INSPECTED ENGINE AND FOUND NO DISCREPANCIES, C/W A FAN TRIM BALANCE AND REDUCED VIB FROM .9 TO .4