United States 90V034000
Mack Trucks, Inc.
The problem
CRACK MAY DEVELOP ON STEERING ARM THAT COULD PROGRESS AND REDUCE THE FATIGUE LIFE OF THE STEERING ARM.
Risk
STEERING ARM COULD FAIL WITHOUT WARNING RESULTING IN LOSS OF STEERING CONTROL AND POSSIBLY A CRASH.
What owners should do
INSTALL A REDESIGNED STEERING ARM.
Units 1862