DRITCBAD specifies that the in-use attribute is to be removed from all resources associated with the specified TCB address. The current task option key (DRICURNT) is mutually exclusive with this key.
When you code DRITCBAD, # must be one, LEN must be four, and PARM contains the TCB address.
KEY # LEN PARM
0001 0001 0004 00022AC0