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Airworthiness directives › 2012-15-11

AD 2012-15-11 Airworthiness Directives; Dassault Aviation Airplanes

2012-09-11
2012-08-07
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Airframe
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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, certificated in any category, serial numbers 3, 10, 13, 18, 19, 20, 22, 23, 24, 26, 27, 29, 30, 31, 32, 33, 35, 36, 38, 41, 42, 43, 47, 48, 58, 63, 64, 66, 67, 68, 71, 76, 78, 79, 83, 84, 85, 86, 87, and 93; except for airplanes on which the Dassault Aviation modification specified in Dassault Mandatory Service Bulletin 7X-174 has been incorporated.

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 2 months after the effective date of this AD, do a boroscope inspection of the passenger oxygen pipe for clearance and a general visual inspection for damage of the oxygen pipe, in accordance with the Accomplishment Instructions of Dassault Mandatory Service Bulletin 7X-174, dated March 10, 2011.

Unsafe condition

This AD was prompted by a report that a passenger oxygen pipe at frame 10 was chafing against the forward lavatory rear structure, raising the risk of the oxygen pipe developing a crack. We are issuing this AD to prevent rupture of the oxygen pipe which, in case of a cabin depressurization, would impair operation of the passenger oxygen distribution system.

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