United States 90V197000
I.R. WITZER CO., INC.
The problem
THE MATING SURFACE ON SOME LAMINATED "J" HOOKS MAY BE UNEVEN, OR THE SWING DOWN ARMS UNEQUAL IN LENGTH, EITHER OF WHICH COULD RESULT IN UNEVEN LOAD BEARING OF THE HOOKS.
Risk
UNEVEN LOAD BEARING ON "J" HOOKS COULD CAUSE FAILURE OFEITHER HOOK, WHICH RESULTS IN TRAILER SEPARATION AND A VEHCILE CRASH WITHOUTWARNING.
What owners should do
REPLACE SWING DOWN ARMS IF THEY ARE UNEQUAL IN LENGTH, AND INSPECT AND REPAIR "J" HOOKS TO ASSURE SYMMETRICAL LOADING.
Units 1350