AD 2018-20-18

final rule
Data completeness: 80%

Airworthiness Directives; Bombardier, Inc., Airplanes

AD Number
2018-20-18
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2018-0449
FR Citation
83 FR 52118

Applicability

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

Unsafe Condition

Faulty switches in the power lever module could result in uncommanded deployment of the ground spoilers and a possible runway excursion.

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Required Actions

Revising the maintenance or inspection program, as applicable, to incorporate the information specified in CMR Task 276000-110 of Q400 Dash 8 (Bombardier) TR ALI-0173, dated March 14, 2017.

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

Compliance Time

Before further flight

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

Affected Aircraft

Bombardier, Inc., Model DHC-8-400 series airplanes.

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

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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