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Airworthiness Directive

AD 95-23-05 60 FR 57824 Active

Federal Aviation Administration · 14 CFR part 39

Requires an inspection and repetitive visual checks for slippage of the tail rotor (T/R) drive and replacement of the T/R gearbox, if necessary.

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FR document
95-28537
Amendment
39-9425
Published
1995-11-22
Effective
1995-12-27
Models covered
1

Last live check: 2026-08-19

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AD

95-23-05

FR doc 95-28537 · 60 FR 57824

AD 95-23-05Published 1995-11-22Effective 1995-12-27

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 an inspection and repetitive visual checks for slippage of the tail rotor (T/R) drive and replacement of the T/R gearbox, if necessary.

Supersedes an earlier directive. See the official text.

Full official abstract

This amendment supersedes an existing airworthiness directive (AD), applicable to Robinson Helicopter Company Model R22 series helicopters, that currently requires an inspection and repetitive visual checks for slippage of the tail rotor (T/R) drive and replacement of the T/R gearbox, if necessary. This amendment requires disassembly of the T/R gearbox to verify the installation of the input and output shaft keys (keys) between the input and output pinions and their respective shafts. This amendment is prompted by two incidents in which the key was not installed between the output shaft and the output pinion during assembly of the T/R gearbox at Robinson Helicopter Company. The actions specified by this AD are intended to prevent slippage of the T/R drive, loss of directional control, and subsequent loss of control of the helicopter.

More directives for Robinson R22

  1. AD 2024-20-03 Airworthiness Directives; Robinson Helicopter Company Helicopters Effective 2024-11-29
  2. AD 2024-04-02 Airworthiness Directives; Robinson Helicopter Company Helicopters Effective 2024-04-02
  3. AD 2022-12-08 Airworthiness Directives; Robinson Helicopter Company Helicopters Effective 2022-06-29
  4. AD 2014-23-16 Airworthiness Directives; Robinson Helicopter Company Helicopters Effective 2015-01-09
  5. AD 2013-19-06 Airworthiness Directives; Robinson Helicopter Company (Robinson) Effective 2013-11-05

All Robinson R22 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