Structure
- Component
- Structure
- Manufacturer
- MACK TRUCKS, INCORPORATED
- Vehicles affected
- 7,000
- Reported to NHTSA
- 1986-01-17
- Owners notified
- 1986-08-14
Defect description
LEFT OR RIGHT CAB STEP MAY CRACK IN ITS WELDED AREA DUE TO FLEXING OF THE STEP DURING ENTERING AND EXITING. CONSEQUENCE OF DEFECT: AS THE CRACKS EXTEND, THE TUBULAR STEP COULD PARTIALLY COLLAPSE AND BREAK WITHOUT WARNING TO THE USER, AND COULD RESULT IN PERSONAL INJURIES.
Manufacturer remedy
INSTALL A REINFORCEMENT BRACE IF NO CRACKS ARE FOUND. IN ADDITION, REPLACE STEP IF CRACKS ARE PRESENT.