English: Fracture surface of 16th fan blade in PW4074 #1 engine failure on JA8798 on 2020-12-04. Yellow arrow legend: "origin of fatigue fracture." Red arrow legend: "indicates the direction of fatigue fracture."
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Captions
Fracture surface of 2020-12-04 PW4074 fan blade out in 777-200 JA8798