TM 55-4920-402-13&P
NOTE
Maintaining a record of imbalance ampli-
tudes and their cause will greatly enhance
troubleshooting procedures for like mo-
dels of aircraft. Just because a component
is inducing vibration do not assume the
component is faulty. Check vibration
levels on a “healthy” ship. Refer to appli-
cable aircraft technical manual.
Change 4
2-10.1/(2-10.2 blank)
