TD
and Lyman, Pratt & Whitney doesn't start either GE or RR engines on the B787, UTC does, P&W is a separate division entirely...
Don't mind me, I was reminiscing about some work I got to do on a generation plant that backed up a substantial wind farm. The energy came from a stack of JT8Ds, and I was thinking the HS APU puts out just about the same power as the much larger Turbine. My bad.....