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Airworthiness Directive

AD 2020-22-07 85 FR 69485 Active

Federal Aviation Administration · 14 CFR part 39

Requires revising the existing Rotorcraft Flight Manual (RFM) for your helicopter.

Federal Register (opens in a new tab)

FR document
2020-24258
Amendment
39-21303
Published
2020-11-03
Effective
2020-11-18
Models covered
1

Last live check: 2026-10-04

Printed from https://aircraftdirectives.com/ad/2020-22-07 · 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

2020-22-07

FR doc 2020-24258 · 85 FR 69485

AD 2020-22-07Published 2020-11-03Effective 2020-11-18

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 revising the existing Rotorcraft Flight Manual (RFM) for your helicopter.

Full official abstract

The FAA is adopting a new airworthiness directive (AD) for all Bell Textron Inc. (Type Certificate previously held by Bell Helicopter Textron Inc.) Model 412, 412CF, and 412EP helicopters. This AD requires revising the existing Rotorcraft Flight Manual (RFM) for your helicopter. This AD was prompted by an accident and multiple reports of a cracked main gearbox (MGB) support case. The FAA is issuing this AD to address the unsafe condition on these products.

More directives for Bell 412

  1. AD 2024-16-19 Airworthiness Directives; Bell Textron Inc. Helicopters Effective 2024-11-08
  2. AD 2024-16-01 Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously... Effective 2024-09-04
  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 2022-11-19 Airworthiness Directives; Bell Textron Inc. Helicopters Effective 2022-07-06

All Bell 412 directives

View on Federal Register (opens in a new tab) Search DRS manually for AD 2020-22-07 (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