Here is where Sears Holdings Stands with their corporate bond/credit ratings:
Fitch: C (one notch above default)
S&P: CC (two notches above default)
Moody's: Ca (one notch above default)
Sources: https://www.chainstoreage.com/finance-0/sears-downgraded-fitch-ratings/
http://cbonds.com/news/item/979939
http://cbonds.com/news/item/980569