sharif101 Posted October 6, 2013 Share Posted October 6, 2013 After propeller assy change.no #2 Eng rollback with high TIT (900 c) during throttle forward G/L to F/L.ssv change ,bleed valve check, Blade angle check.This is new Engine. Quote Link to comment Share on other sites More sharing options...
Lkuest Posted October 7, 2013 Share Posted October 7, 2013 Can you give us more information about what the engine instruments are doing, before and after rollback? Torque TIT Fuel Flow RPM Without more information, I would suspect the valve housing is biting too much air in the flight range, causing RPM to drop and the fuel control to go into acceleration mode, making TIT shoot up. Changing the Valvehousing is my shoot-from-the-hip recommendation. Please let us know what you find. *Edit* Might want to check the NTS gap too. Quote Link to comment Share on other sites More sharing options...
sharif101 Posted October 8, 2013 Author Share Posted October 8, 2013 propeller assy change problem soleved. thanks to all Quote Link to comment Share on other sites More sharing options...
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