Aviall Services, Dallas, Texas, is being awarded a maximum $17,325,000 firm-fixed-price, sole-source contract for helicopter engine parts.  There are no other locations of performance.  Using service is Army.  There was one proposal originally solicited with one response.  The date of performance completion is May 30, 2013.  The Defense Logistics Agency Philadelphia (DSCR-AHB), Redstone Arsenal, Ala., is the contracting activity (SPRRA1-10-D-0015).