Airworthiness directives › 2011-27-06
AD 2011-27-06 Airworthiness Directives; Dassault Aviation Airplanes
Models named: FALCON 7X. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Dassault Aviation Model FALCON 7X airplanes, all serial numbers, certificated in any category; equipped with any ram air turbine (RAT) transformer rectifier unit (TRU) having part number (P/N) 5913703.
Compliance
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
Required actions
Within 28 months after the effective date of this AD, replace any RAT TRU having P/N 5913703 with a RAT TRU having P/N 5915825, in accordance with the Accomplishment Instructions of Dassault Mandatory Service Bulletin 7X-163, dated December 1, 2010.
Unsafe condition
This AD was prompted by a report of incorrect design of the transformer rectifier unit (TRU) part of the ram air turbine (RAT) system. The Federal Aviation Administration is issuing this AD to prevent loose internal wiring in the RAT generator, which could result in degraded direct current power to essential airplane systems while the RAT is deployed, which could adversely affect continued safe flight and landing of the airplane.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1