Airworthiness Directives; Various Helicopters

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register June 4, 2026. Document 2026-11185. Updated Nov. 10, 2026.

What it does

The FAA is adopting a new airworthiness directive (AD) for various helicopters. This AD was prompted by a report of a loss of tail rotor authority due to auxiliary system fluid loss caused by a yaw pedal damper housing fatigue fracture and attachment bolt fatigue fracture. This AD requires performing repetitive visual inspections of the auxiliary servo assembly, a fluorescent penetrant inspection (FPI) of the yaw pedal damper housing and, if necessary, corrective actions. This AD also requires determining and recording the remaining life of a certain part and revising the existing rotorcraft flight manual (RFM) to provide the flight crew with procedures to follow under certain conditions. This AD also requires revising the airworthiness limitations section (ALS) of the existing maintenance manual (MM) or instructions for continued airworthiness (ICAs) and the existing approved maintenance or inspection program, as applicable by incorporating a new service life limit for a certain part. The FAA is issuing this AD to address the unsafe condition on these products.

The Federal Aviation Administration's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 14 of the Code of Federal Regulations:

14 CFR 39

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Federal Aviation Administration has published 482 final rules in 2026 so far, compared with 518 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

Before this

839 earlier Federal Register documents under regulation identifier 2120-AA64 since Jan. 1, 2025.

June 4, 2026 Notice of proposed rulemaking (NPRM). Airworthiness Directives; Airbus SAS Airplanes
June 4, 2026 Final rule. Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes
June 4, 2026 Final rule. Airworthiness Directives; Dassault Aviation Airplanes
June 4, 2026 Final rule. Airworthiness Directives; Airbus SAS Airplanes
June 4, 2026 Final rule. Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines
June 4, 2026 Final rule. Airworthiness Directives; Airbus Helicopters
June 4, 2026 Final rule. Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
June 4, 2026 Final rule. Airworthiness Directives; Airbus Helicopters

Since then:

What happens next and when

This AD is effective July 9, 2026.

The agency's dates, word for word.

Check it yourself

The record as published

Document number	2026-11185
Action	Final rule.
Agencies	Transportation Department; Federal Aviation Administration
Published	June 4, 2026
Effective date	July 9, 2026
Regulation identifier (RIN)	2120-AA64
Docket	FAA-2026-2297

Source: the Federal Register (public domain). The document in the Federal Register