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Airworthiness Directive

AD 2020-04-21: Bell Helicopter Textron Canada Limited Helicopters

Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Effective
Mar 31, 2020
Published
Mar 16, 2020
Registered aircraft
174

Models this AD may apply to

AI-extracted — verify against original

Matched from the AD's applicability section. Applicability must be confirmed by a mechanic against the aircraft's records.

Aircraft

  • Certain serial numbers: 429 57001–57343; 429 57346–57349; 429 57352–57356; 429 57362. Only with: Curvic coupling part number 429-012-120-101 installed.
  • Only with: Curvic coupling part number 429-012-120-101 installed.

Applicability

From the AD text
This AD applies to Bell Helicopter Textron Canada Limited Model 429 helicopters, certificated in any category, with a serial number 57001 through 57343 inclusive, 57346 through 57349 inclusive, 57352 through 57356 inclusive, and 57362, with a curvic coupling part number 429-012-120-101 installed.

Read the AD in the Federal RegisterReport an error on this page