AD 2016-08-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Dassault | Aviation Model FALCON 7X | Airworthiness Directives; Dassault Aviation |
| aircraft | Aviat | Various | Airworthiness Directives; Dassault Aviation |
Unsafe Condition
Reports of multiple cases of ram air turbine (RAT) blade damage, caused by incorrect locking of the RAT rotor due to improper blade positioning at the beginning of retraction and locking check during retraction, which likely occurs during stowage of the RAT after deployment for maintenance purposes.
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Required Actions
Deploy the RAT, replace the RAT placard with a new RAT placard, and re-identify the RAT part number (P/N) 1705673A to a specified part number in accordance with Dassault Service Bulletin 7X-289.
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Compliance Time
Within 28 months or during the next accomplishment of the RAT functional test, whichever occurs first after the effective date of this AD.
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Affected Aircraft
Dassault Aviation Model FALCON 7X airplanes, certificated in any category, all serial numbers.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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