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FAA Issues Airworthiness Directive for GE CF34 engines affecting all CRJ-700 series and E170/175 aircraft

The U.S. Federal Aviation Administration (FAA) has issued an airworthiness directive (AD) for certain models of General Electric’s CF34 turbofan series. The AD affecting General Electric CF34-8C and CF34-8E turbofan engines comes following multiple reports of corrosion on these engines, this leads to the aircraft’s crew receiving “Engine Degraded” message inflight which leads to an inflight engine shutdown and restart to occur. ( Más...

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April Hill 3
Lovely. I fly on the E175 frequently DFW to SGF.
Dan Chiasson 0
do the math. You are fine. Carry on.

Harry Venison 2
Instead of being a smart ass why don't you do the math for her and give us your results?
Interesting. How long before the CF34-3 general aviation fleet is studied for the same problem? That IGV system is mechanically complex with a ton of small moving parts. The system is on the exterior of the engine, so routine compressor wash compliance would not seem to be a preventive action. Curious if there was a GE SB issued previously to alert the RJ operators previous?
I wish someone would issue a directive against rust in the automotive world. Sure would make my life much easier! :)
Chris Coogan 2
Some OEM’s have a protocol for engine washes.
Williams as an example.
SkyAware123 1
Washing won't remove corrosion. It removes salt. But since the salt is in the air it will be right back. You need materials that won't corrode


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