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Airworthiness Directive

AD 2020-17-10 85 FR 49941 Active

Federal Aviation Administration · 14 CFR part 39

Prompted by an FAA determination that additional part-numbered T/R pitch link assemblies (links) are affected by the same unsafe condition and that an additional repetitive inspection is necessary to address the unsafe condition.

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FR document
2020-17779
Amendment
39-21215
Published
2020-08-17
Effective
2020-09-21
Models covered
1

Last live check: 2026-10-04

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AD

2020-17-10

FR doc 2020-17779 · 85 FR 49941

AD 2020-17-10Published 2020-08-17Effective 2020-09-21

Supersedes 2016-02-06

Supersedence is read from the Federal Register text of the newer AD — the FAA publishes no structured field for it — and names only ADs held in our index.

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Prompted by an FAA determination that additional part-numbered T/R pitch link assemblies (links) are affected by the same unsafe condition and that an additional repetitive inspection is necessary to address the unsafe condition.

Full official abstract

The FAA is superseding Airworthiness Directive (AD) 2016-02-06 for Bell Helicopter Textron Canada Limited (Bell) Model 429 helicopters. AD 2016-02-06 required inspecting certain tail rotor (T/R) pitch link bearing bores for corrosion and pitting. AD 2016-02-06 also required a repetitive inspection of the sealant and repeating the inspections for corrosion and pitting if any sealant is missing. This new AD retains the requirements of AD 2016-02-06, expands the applicability, and adds a repetitive inspection. This AD was prompted by an FAA determination that additional part-numbered T/R pitch link assemblies (links) are affected by the same unsafe condition and that an additional repetitive inspection is necessary to address the unsafe condition. The actions of this AD are intended to address an unsafe condition on these products.

More directives for Bell 429

  1. AD 2026-06-02 Airworthiness Directives; Bell Textron Canada Limited Helicopters Effective 2026-04-24
  2. AD 2024-07-51 Airworthiness Directives; Bell Textron Canada Limited Helicopters Effective 2024-06-10
  3. AD 2022-20-11 Airworthiness Directives; Bell Textron Canada Limited Helicopters Effective 2022-11-28
  4. AD 2022-09-07 Airworthiness Directives; Bell Textron Canada Limited (Type Certificate ... Effective 2022-05-31
  5. AD 2022-08-11 Airworthiness Directives; Bell Textron Canada Limited Helicopters Effective 2022-05-27

All Bell 429 directives

View on Federal Register (opens in a new tab) View this AD in FAA DRS (opens in a new tab) Print AD packet (opens the full Federal Register document in a new tab)

Applies to 1 model in our index