Not sure about ARSDOC, but here is some SQL I use to extract information from the System Log
SELECT
MSG_NUM AS MSG, TIME_STAMP,
SUBSTR(MSG_TEXT,31,42) AS PARTIAL_LOADID,
SUBSTR(MSG_TEXT,22,7) AS AGNAME,
SUBSTR(MSG_TEXT,LOCATE(') Appl(',MSG_TEXT,100)+5,12)
AS APPNAME
FROM ARSSERVR.SL2
WHERE
MSG_NUM = 87
AND (APPNAME LIKE 'REGULAR%' )
AND TIME_STAMP > 0
-- AND TIME_STAMP < (1342076400 + 86400)
-- FIND SOURCE TIMESTAMP BEFORE START OF INDEX MIGRATION
-- JAN 01 2009 ??
-- 1342076400 IS A TIME ON JULY 11, 2012, ABOUT 00:00 AM
ORDER BY TIME_STAMP;