The investigation revealed that the right main landing gear drag link
center attach bolt had sheared in the center of the bolt shank due to fatigue.
Pitman arm 5 is fixed to the output shaft and also connected to the drag link
With the large screw jack the drag link
bits go right into a 3/8" extension.
The original flathead 6 engine runs good, the 3-speed transmission with column shift is functional and, after installing a new drag link
, the steering is once again tight.
And the engineers at TACOM decided that a design change was good for the drag link
in your 21/2- and 5-ton FMTV trucks.
"During an investigation," states an FAA inspector, "it was discovered that the right main landing gear upper drag link
assembly (p/n 1619000) had failed at the attach point for the main landing gear down lock latch assembly.