MVS, What causes this?

As we chatted about on IM, the last time I saw that was a bad trace on the LSPC on an AES...
 
Yup... Sounds about right.

look for a bad trace on the LSPC.
 
FIXED. Thanks smkdan.

FIXD0-FIXD7 were all going to the LS244 @ E1. D7 had no connection but I followed the pattern:

D6 - 15
D5 - 13
D4 - 11
D3 - 8
D2 - 6
D1 - 4
D0 - 2

So obviously D7 was pin 17.

Headache over.
 
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