AD 84-20-01

final rule
Data completeness: 70%

Airworthiness Directives; ALEXANDER SCHLEICHER Models ASW 15 and ASW 15 B Sailplanes

AD Number
84-20-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Alexander Schleicher GmbH & Co. ASW-15B Airworthiness Directives; ALEXANDER SCHLEICHER Models ASW 15 and ASW 15 B Sailplanes
aircraft Alexander Schleicher GmbH & Co. ASW -15 Airworthiness Directives; ALEXANDER SCHLEICHER Models ASW 15 and ASW 15 B Sailplanes

Unsafe Condition

Elevator bellcrank failure due to fatigue.

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

Required Actions

Visually inspect the bellcrank for cracks in accordance with Item 1 of Alexander Schleicher Technical Note No. 21. If no cracks are found, reconnect and re-rig the rudder following TN No. 21. If cracks are found, replace the bellcrank in accordance with Item 2 of TN No. 21 and repair instruction 'A' of the technical manual. Alternatively, reinforce the bellcrank and modify the fin spar and root rib per Technical Note No. 22 to eliminate repetitive inspections.

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

Compliance Time

Within the next 10 takeoffs or 25 hours time-in-service, whichever occurs first, unless already accomplished within the last 90 takeoffs or 75 hours time-in-service. Thereafter, at intervals of 100 takeoffs or 100 hours time-in-service, whichever occurs first.

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

Affected Aircraft

Alexander Schleicher GmbH & Co. Models ASW 15 and ASW 15 B sailplanes, certificated in any category.

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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