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Airworthiness Directive

AD 2024-16-19 89 FR 80724 Active

Federal Aviation Administration · 14 CFR part 39

Requires replacing all steel alloy barrel nuts with nickel alloy barrel nuts, replacing or inspecting other tail boom attachment point hardware, repetitively inspecting torque, and repetitively replacing tail boom attachment bolts (bolts).

Federal Register (opens in a new tab)

FR document
2024-22929
Amendment
39-22825
Published
2024-10-04
Effective
2024-11-08
Models covered
2

Last live check: 2026-10-04

Printed from https://aircraftdirectives.com/ad/2024-16-19 · 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

2024-16-19

FR doc 2024-22929 · 89 FR 80724

AD 2024-16-19Published 2024-10-04Effective 2024-11-08

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 replacing all steel alloy barrel nuts with nickel alloy barrel nuts, replacing or inspecting other tail boom attachment point hardware, repetitively inspecting torque, and repetitively replacing tail boom attachment bolts (bolts).

Full official abstract

The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Inc. Model 212, 412, 412CF, and 412EP helicopters. This AD was prompted by reports of cracked tail boom attachment barrel nuts (barrel nuts). This AD requires replacing all steel alloy barrel nuts with nickel alloy barrel nuts, replacing or inspecting other tail boom attachment point hardware, repetitively inspecting torque, and repetitively replacing tail boom attachment bolts (bolts). This AD also prohibits installing steel alloy barrel nuts. The FAA is issuing this AD to address the unsafe condition on these products.

More directives for Bell 205 / 212

  1. AD 2024-17-02 Airworthiness Directives; Bell Textron Inc. Helicopters Effective 2024-11-08
  2. AD 2024-19-17 Airworthiness Directives; Bell Textron Inc. and Various Restricted Categ... Effective 2024-10-11
  3. AD 2022-20-14 Airworthiness Directives; Bell Textron Inc., Helicopters and Various Res... Effective 2022-12-27
  4. AD 2022-22-12 Airworthiness Directives; Bell Textron Inc., Erickson 214 Holdings, LLC,... Effective 2022-11-22
  5. AD 2022-21-11 Airworthiness Directives; Bell Textron Inc. Helicopters and Various Rest... Effective 2022-11-16

All Bell 205 / 212 directives

View on Federal Register (opens in a new tab) Search DRS manually for AD 2024-16-19 (opens in a new tab) Print AD packet (opens the full Federal Register document in a new tab)

Applies to 2 models in our index