5250 Start Field Funny Stuff

["Leif Svalgaard" <leif@xxxxxxxx>]

Any of you 5250-gurus out there (still any alive?):
I get a data stream (from SEU) that contains (among other stuff) 
these hexadecimal byte values:

11 14  06       1D 40 00 81 00 24 00 99        11 16 01 

The 11s are SBAs (set buffer address) to 14,6 and 16,1,
the 1D in the middle is a SF (start field), which normally should
be followed by a 2-byte length and a 2-byte field format word.
What I actually got (reproducible) does not make any sense
(length of x'4000' ?)

What's going on here? 

Leif

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