WestJet Encore WEN3532
Printed page 21. PDF page 21.
(e.g., to climb) or during engine start-ups and shutdowns. Therefore, it is likely that the main fatigue crack (rotor blade No. 1) developed over more than 1 flight. The fracture surfaces on both rotor blades showed very similar fractographic featuresOpen official document at PDF page 21Air Transportation Safety Investigation Report A23P0020: Engine compressor failure and fire