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United B777 engine failure
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23rd Feb 2021, 22:20
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DaveReidUK
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Feathers McGraw
"From what I read, this particular PW4000-112 series engine (PW4077?) is the only hollow-bladed version."
All PW4000 series engines with the 112" fan (PW4074 to PW4098) have the hollow blade.
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