AD 99-09-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Alexander Schleicher GmbH & Co. | ASH 26E | Airworthiness Directives; Alexander Schleicher Segelflugzeugbau Model ASH 26E Sailplanes |
Unsafe Condition
Oil leakage in the red silicone tube of the rotor interior air cooling system could result in an oil-contaminated exhaust damper fairing, leading to an exhaust fire and/or an explosion.
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Required Actions
Inspect the red silicone tube for oil leaks and the heat damping layer of the lower exhaust damper fairing for oil contamination within the next calendar month after the effective date. Replace applicable parts where leakage or contamination is found prior to further flight.
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Compliance Time
Within the next calendar month after the effective date
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Affected Aircraft
Alexander Schleicher GmbH & Co. Model ASH 26E sailplanes, all serial numbers.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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