990 A.2d 731 (2010)
BOEING CO.
No. 723 MAL (2009).
BOEING CO.
v.
WORKERS' COMPENSATION APPEAL BD. (HORAN).
IN RE BUREAU OF WORKERS' COMPENSATION.
No. 723 MAL (2009).
Supreme Court of Pennsylvania.
March 10, 2010.Disposition of Petition for Allowance of Appeal Denied.