Yes there is a significantly lower chance of an engine failure at lower thrust. The damage to the engine is exponential(ish) with temp.
http://www.b737.org.uk/assumedtemp.h...rust_Reduction
http://www.smartcockpit.com/docs/CFM...pport_B737.pdf
About slide 50 onwards
Last edited by Tourist; 23rd Aug 2016 at 10:44.