Originally Posted by
MikeMpls
Both 767s & 777s are currently the target of safety directives, including a fuel icing problem that caused the loss of a BA 777 at Heathrow.
At least for the 777, the problem lies solely with Rolls-Royce and its design of the fuel heater specific to R-R engined 777s. P&W and GE 777s don't have the potential for fuel icing problems.
http://www.flightglobal.com/articles...der-icing.html