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F-35 pilot held 50-minute airborne conference call with engineers before crash

(www.cnn.com)
278 points Michelangelo11 | 1 comments | 27 Aug 25 11:38 UTC | HN request time: 0s | source
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preisschild ◴[27 Aug 25 11:53 UTC] No.45038390[source]▶
But why was there water in the hydraulic system in the first place?
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grumpy-de-sre ◴[27 Aug 25 12:08 UTC] No.45038537[source]▶
Likely contamination of ground handling equipment [1]. Unfortunately can happen. I wonder if the hydraulic fluid is hygroscopic or something?

1. https://www.pacaf.af.mil/Portals/6/documents/3_AIB%20Report....

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MBCook ◴[27 Aug 25 14:02 UTC] No.45039864[source]▶
But 1/3 volume? That’s a LOT of contamination.
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1. grumpy-de-sre ◴[27 Aug 25 14:52 UTC] No.45040536[source]▶
Got to say the pictures of the hydraulic drum (and pump) in the DoD report are very confidence uninspiring.