AD 2024-06-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Diamond | Aircraft Industries GmbH | Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes |
Unsafe Condition
Reports of a loose rudder T-yoke axle nut on DAI Model DA 42 airplanes and the need for new inspections for correct installation of the self-locking nut to the rudder T-yoke standard bolt LN 9037 (dimensions M6x90). This condition could lead to blockage or loss of rudder control.
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Required Actions
Inspect the rudder steering bracket edge distance and, depending on the inspection results, inspect the T-yoke bolt hole for wear and play, and take corrective action if necessary. Replace the rudder T-yoke bolt (axle) with a serviceable part, install a new self-locking nut, and apply torque seal marks on the rudder T-yoke bolt head and self-locking nut. Repeatedly inspect the torque seal marks on the rudder T-yoke bolt head for proper alignment and the self-locking nut for proper installation, taking corrective action if necessary. Prohibit the installation of affected parts.
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Compliance Time
Within 200 hours time-in-service (TIS) or 12 months after the effective date of this AD, whichever occurs first.
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Affected Aircraft
Diamond Aircraft Industries GmbH Model DA 42, DA 42 M, DA 42 NG, and DA 42 M-NG airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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