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Airworthiness directives › 2015-17-08

AD 2015-17-08 Airworthiness Directives; Bombardier, Inc. Airplanes

Superseded. This directive was replaced by AD 2021-10-13. Work to the current one.
2015-09-29
2015-08-25
39-18241
FAA-2014-1050
Airframe
2021-10-13

Models named: DHC-8-400, -401, -402 series. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

This AD applies to Bombardier, Inc. Model DHC-8-400, -401, and-402 series airplanes, certificated in any category, serial numbers 4001 through 4448 inclusive.

Compliance

Comply with this AD within the compliance times specified, unless already done.

Required actions

Within 2,000 flight cycles or 12 months after the effective date of this AD, whichever occurs first: Incorporate Bombardier Modsum 4-126585 to install new cable assemblies, with a pull-down resistor, in accordance with paragraph B., “Procedure,” of the Accomplishment Instructions of Bombardier Service Bulletin 84-32-122, Revision A, dated October 4, 2013.

Unsafe condition

This AD was prompted by an in-service report of an uncommanded and unannunciated nose wheel steering during airplane pushback from the gate. We are issuing this AD to prevent an uncommanded nose wheel steering during takeoff or landing in the event of an open circuit in the steering system, and possible consequent runway excursion.

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