David,
Check the definition for the fields in question on the outbound variant(s).
It is possible somebody shortened one of the field lengths.
Another possibility (but I think you might have already checked for this) is there is a proc involved with one of the Xlates which is truncating the field.
Jim Kosloskey
email: jim.kosloskey@jim-kosloskey.com 30+ years Cloverleaf, 61 years IT – old fart.