PPRuNe Forums - View Single Post - S76 Undercarriage Failure to extend. Indications, combinations of safe & unsafe light
Thread: S76 Undercarriage Failure to extend. Indications, combinations of safe & unsafe light
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Old 22nd March 2014 | 19:15
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EN48
 
Joined: Apr 2007
Posts: 645
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From: Center of the Universe

If normal hydraulic system pressure couldn't lower the gear, why should a
less powerful, gas powered emergency system?
Can the utility system priority valve fail in such a way that stage 2 hydraulic pressure is normal, but utility system pressure is below what is required to operate the gear?
Last edited by EN48; 22nd March 2014 at 19:37.
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