MTBF or Failure rate for BL4S110 512K


Does anyone know what the MTBF or Failure Rate is for the BL4S110 512K single board computer?

Many Thanks

Good afternoon,
Bellcore RQGR Method I Parts Count Method (assume Gc Env, 40C, 50% Elec Stress for all components)
20-101-1256 Revision E: BL4S110,512K,Programmable Controller; Fri, 10 May 13 17:19:24 -0600
FITs are Failures per 10**9 hours, MTBF is Mean Time Between Failures
Digi Quality Level Temperature = 40C FITs: 2825 MTBF: 354020 hours, 40.41 years