554.7—Investigation priorities.
(a)
Compliance investigation priorities are reviewed annually and are set according to the following criteria:
(1)
Prior compliance test data;
(3)
Engineering analysis of vehicle and equipment designs;
(4)
Consumer complaints; and
(b)
Defects inputs are reviewed periodically by an appropriate panel of engineers in consultation with the Office of Chief Counsel to determine whether a formal investigation should be opened by the Office of Defects Investigation.