USRFF trace record for open/close/EOV abnormal end

This USRFF trace record represents an abnormal end during open, close, or end-of-volume (EOV).

USRFF   FFF    ASCB hhhhhhhh JOBN cccccc
               xxxx ...
USRFF
Identifies the Open/Close/EOV trace record formatting routine (IMDUSRFF).
FFF
Last three numbers of the event identifier (EID) specified in the GTRACE macro. See Event Identifiers (EIDs) for USR trace records for a list of the EIDs and associated products for USR trace records.
xxxx ...
Unformatted RRCBSA's (recovery routine control block save areas).