AD 2023-22-17

final rule
Data completeness: 80%

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

AD Number
2023-22-17
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2023-1821
FR Citation
88 FR 86816

Applicability

TypeManufacturerModelDetails
aircraft Bombardier Inc. and de Havilland Various Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes
aircraft Bombardier Inc Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes
aircraft Viking Various Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes
aircraft de Havilland Various Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition

Cracking of the engine mount pickup fittings can result in failure of the fitting, leading to a loose connection of the engine mount ring and consequent reduced control of the airplane.

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

Required Actions

A one-time inspection of the affected parts for cracking, deformation, corrosion, fretting or wear, paint or surface coating damage, and loose, missing, or broken fasteners, and applicable corrective actions. The corrective actions include replacing any loose, missing, or broken fastener; and replacing any cracked or deformed engine mount pickup fitting with a new or serviceable part. Reporting the inspection results to Viking.

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

Compliance Time

Within 50 flight hours

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

Affected Aircraft

All Viking Air Limited (type certificate previously held by Bombardier Inc. and de Havilland, Inc.) Model DHC-3 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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