United States 88V178000
Mack Trucks, Inc.
The problem
ENGINE COOLING FAN IS SUBJECT TO HIGH STRESS AND POTENTIAL FATIGUE PROBLEMS.
Risk
FAN FAILURE COULD RESULT IN PARTS BEING PROPELLED OUTSIDEOF THE FAN SHROUD, WHICH COULD INJURE THE PERSON STANDING NEAR THE ENGINECOMPARTMENT.
What owners should do
REPLACE FAN WITH AN ALTERNATE FAN.
Units 400