AD 2015-17-08

final rule
Data completeness: 70%

Airworthiness Directives; Bombardier, Inc. Airplanes

AD Number
2015-17-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2014-1050
FR Citation
80 FR 51459

Applicability

TypeManufacturerModelDetails
aircraft Bombardier Various Airworthiness Directives; Bombardier, Inc. Airplanes

Unsafe Condition

An open circuit in the nose wheel steering system may not be adequately detected and annunciated, leading to uncommanded and unannunciated nose wheel steering.

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

Required Actions

Install new cable assemblies with a pull-down resistor in accordance with Bombardier Modsum 4-126585, following the 'Procedure' section of Bombardier Service Bulletin 84-32-122, Revision A.

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

Compliance Time

Within 2,000 flight cycles or 12 months after the effective date of this AD, whichever occurs first.

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

Affected Aircraft

Bombardier, Inc. Model DHC-8-400, -401, and -402 series airplanes, serial numbers 4001 through 4448 inclusive.

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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