EASA AD US-2024-03-04
Flight Controls - Aft Rudder Quadrant - Inspection
Summary
Airworthiness Directive 2024-03-04 is a final rule issued by the Federal Aviation Administration (FAA) addressing certain Boeing 737-8, 737-8200, and 737-9 airplanes. It mandates a one-time inspection of the aft rudder quadrant due to a reported missing washer and nut and a migrated bolt, which could compromise rudder control. The directive aims to ensure continued safe flight by correcting this unsafe condition.
What Changed
This new airworthiness directive introduces a requirement for a one-time detailed visual or remote video inspection of the aft rudder quadrant on affected Boeing 737 models. It also specifies on-condition corrective actions such as bolt and nut replacement, torque application, and rudder travel testing if discrepancies are found. The AD is effective immediately and requires compliance within 30 days.
Why It Matters
This directive is critical for aviation professionals because a failure in the aft rudder quadrant could lead to loss of rudder control, severely limiting the pilot's ability to counter engine-out scenarios or high crosswinds during critical phases of flight. Operators and maintenance teams must address this promptly to maintain aircraft safety and regulatory compliance. Ignoring this AD could result in unsafe flight conditions and potential accidents.
What To Do
Operators of affected Boeing 737-8, 737-8200, and 737-9 airplanes must perform the required inspection of the aft rudder quadrant within 30 days of February 12, 2024. If any missing or damaged components are found, they must be replaced, properly torqued, and followed by a rudder travel test as specified. Comments on the AD can be submitted until March 28, 2024, but compliance is mandatory by the effective date.
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