AD 2006-24-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; PZL-Bielsko Model SZD-50-3 “Puchacz” Gliders |
Unsafe Condition
Discrepancy between the design documentation and the Technical Service Manual, where a castellated nut with cotter pin was introduced in 1981 to secure the rudder, replacing the self-locking nut, but this change was not reflected in the Manual. Use of a self-locking nut, as per the Manual, is still possible, which could lead to rudder disconnection during flight and loss of control.
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Required Actions
Inspect and, if necessary, replace the Rudder Attachment parts in accordance with Allstar PZL Glider Sp. z o.o. Mandatory Bulletin No. BE-058/SZD-50-3/2006, dated August 10, 2006. Concurrently, update the Technical Service Manual as per the referenced bulletin.
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Compliance Time
Within 30 days of January 3, 2007, or before further flight, whichever occurs later.
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Affected Aircraft
PZL-Bielsko Model SZD-50-3 'Puchacz' gliders, all serial numbers, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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