AD 2011-27-06

final rule
Data completeness: 70%

Airworthiness Directives; Dassault Aviation Airplanes

AD Number
2011-27-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2011-1061
FR Citation
77 FR 3

Applicability

TypeManufacturerModelDetails
aircraft Dassault Aviation Airworthiness Directives; Dassault Aviation Airplanes
aircraft Aviat Various Airworthiness Directives; Dassault Aviation Airplanes

Unsafe Condition

Incorrect design of the transformer rectifier unit (TRU) part of the ram air turbine (RAT) system could result in loose internal wiring, leading to degraded direct current power to essential airplane systems while the RAT is deployed.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Replace any RAT TRU having part number (P/N) 5913703 with a RAT TRU having P/N 5915825, in accordance with Dassault Mandatory Service Bulletin 7X-163.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 28 months after the effective date of this AD.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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