- United engine fire grounds Boeing again – this time it’s the 777 jetlinerFox News
- Airlines ground dozens of Boeing 777 planes after engine failure over DenverCNN
- United 328 Engine Failure: Two Blades Broken, Metal Fatigue ImplicatedAVweb
- Opinion: Plane parts are falling from the sky — is Boeing to blame?The Denver Post
- Several parts collected from United engine as investigators zero in on the causeThe Denver Channel
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