Airworthiness directives › 2017-17-11
AD 2017-17-11 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, certificated in any category, all serial numbers, except airplanes modified with Dassault Aviation modification (Mod) M1389.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 12 months after the effective date of this AD, modify each engine installed on the airplane by updating the electronic engine control (EEC) (installation of software EEC version 307A0514), in accordance with the Accomplishment Instructions of Dassault Service Bulletin 7X-287, also referred to as 287, dated January 4, 2016; and Pratt & Whitney Canada Service Bulletin PW300-72-47216, also referred to as 47216, dated January 13, 2016.
Unsafe condition
This AD was prompted by a report indicating that, under certain operational takeoff conditions, the available thrust in relation with the N1 indication is less than a certified value, which could affect the safety margins with an engine failure during takeoff. We are issuing this AD to prevent a reduction in available engine thrust during certain operational takeoff conditions, which could affect the safety margins with an engine failure during takeoff and could result in reduced control of the airplane.
Affected ADs
None.
Read the original on the Federal Register →
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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