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Airworthiness Directive

AD 2023-17-51 88 FR 60883 Active

Federal Aviation Administration · 14 CFR part 39

Requires determining if an affected T/R blade is installed, inspecting each of those T/R blades and, depending on the results, replacing the T/R blade as specified in a Transport Canada emergency AD, which is incorporated by reference.

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FR document
2023-19324
Amendment
39-22540
Published
2023-09-06
Effective
2023-09-21
Models covered
1

Last live check: 2026-10-04

Printed from https://aircraftdirectives.com/ad/2023-17-51 · AircraftDirectives restates official FAA and manufacturer records; the official sources named on this sheet control. Not an airworthiness determination.

This page is a reference Record, not an airworthiness or compliance determination. Official FAA and manufacturer sources control over our restatement, subject to governing law. Check applicability, current requirements and incorporated documents before acting. The owner or operator remains responsible for airworthiness and required records under 14 CFR 91.403 and 91.417, as applicable. Terms of Use: /terms.

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AD

2023-17-51

FR doc 2023-19324 · 88 FR 60883

AD 2023-17-51Published 2023-09-06Effective 2023-09-21

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.

Requires determining if an affected T/R blade is installed, inspecting each of those T/R blades and, depending on the results, replacing the T/R blade as specified in a Transport Canada emergency AD, which is incorporated by reference.

Full official abstract

The FAA is adopting a new airworthiness directive (AD) for all Bell Textron Canada Limited Model 407 helicopters. The FAA previously sent this AD as an emergency AD to all known U.S. owners and operators of these helicopters. This AD was prompted by a report of a disbonded area in a tail rotor (T/R) blade. This AD requires determining if an affected T/R blade is installed, inspecting each of those T/R blades and, depending on the results, replacing the T/R blade as specified in a Transport Canada emergency AD, which is incorporated by reference. This AD also limits the installation of T/R blades to certain T/R blades. The FAA is issuing this AD to address the unsafe condition on these products.

More directives for Bell 407

  1. AD 2026-14-07 Airworthiness Directives; Bell Textron Canada Limited Helicopters Effective 2026-08-21
  2. AD 2026-10-04 Airworthiness Directives; Bell Textron Canada Limited Helicopters Effective 2026-06-25
  3. AD 2025-13-01 Airworthiness Directives; Bell Textron Canada Limited Helicopters Effective 2025-07-08
  4. AD 2024-10-12 Airworthiness Directives; Bell Textron Canada Limited Helicopters Effective 2024-08-22
  5. AD 2022-27-08 Airworthiness Directives; Bell Textron Canada Limited Helicopters Effective 2023-01-12

All Bell 407 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