AD 99-09-09

final rule
Data completeness: 70%

Airworthiness Directives; Alexander Schleicher Segelflugzeugbau Model ASH 26E Sailplanes

AD Number
99-09-09
Status
final_rule
Effective Date
Product Category
aircraft
Docket
98-CE-98-AD
FR Citation
Federal Register: April 28, 1999 (Volume 64, Number 81)

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within the next calendar month after the effective date

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Alexander Schleicher GmbH & Co. Model ASH 26E sailplanes, all serial numbers.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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