Superseded by FAA AD 2018-11-05

Published: Apr 4, 2018
Effective: Apr 13, 2018
Deadline: Apr 13, 2018

Honda Aircraft Company HA-420

AI-generated summary of the official EASA document. Verify against the PDF before acting.

What to do

Affected operators must insert the temporary revision into the airplane flight manual by April 13, 2018, and conduct pilot checks of the braking system before every flight and landing. If a defective power brake valve is detected, it must be replaced with the improved part number HJ1-13243-101-009. Maintaining compliance records as per FAA regulations is also required.

Summary

FAA Airworthiness Directive 2018-06-10 is a final rule addressing certain Honda Aircraft Company LLC Model HA-420 airplanes. It mandates incorporating a temporary revision into the airplane flight manual and replacing faulty power brake valves to prevent unannunciated asymmetric braking during ground operations and landing deceleration.

What changed

This new airworthiness directive introduces requirements for pilots to perform specific brake system checks before every flight and landing, and mandates replacement of defective power brake valves with an improved design. It also incorporates a temporary revision into the airplane flight manual to guide these procedures and provides an optional terminating action by replacing the valve.

Why it matters

This directive is critical for maintaining safe braking performance and directional control during ground operations and landing. Operators and maintenance personnel must address the identified hydraulic valve defect to prevent degraded braking and potential safety hazards, ensuring compliance with FAA safety standards.

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