AD 2004-11-10
Unsafe Condition
Cracks, distortion, and corrosion in the airbrake torque tube could result in failure of the airbrake system, leading to loss of control of the sailplane.
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Required Actions
Inspect the airbrake torque tube for cracks, corrosion pits, permanent distortions, and surface corrosion using a fluorescent dye-penetrant or dye-check method. Repair slight, uniform corrosive deposits by removing them with fine abrasive paper. Replace the airbrake torque tube if any other damage is found. Repeat inspections at intervals not exceeding 12 calendar months or 100 hours time-in-service, whichever occurs later.
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Compliance Time
Within the next 25 hours time-in-service after July 19, 2004.
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Affected Aircraft
Przedsiebiorstwo Doswiadczalno-Produkcyjne Szybownictwa 'PZL-Bielsko' Model SZD-50-3 'Puchacz' sailplanes, all serial numbers, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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