AD 2023-17-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell | cranks and airbrake drive funnels for cracking | Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders |
Unsafe Condition
Permanent excessive loads on the automatic connections of the airbrake control system can cause damage to the drive funnels in the fuselage and to the airbrake bell cranks at the root ribs of the wings, potentially leading to uncommanded extraction of the airbrakes on one or both wings and reduced control of the glider.
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Required Actions
Repetitively inspect airbrake bell cranks and airbrake drive funnels for cracking. Repetitively inspect the clearance of the airbrake control system. Take corrective action as necessary. Modify the airbrake system by replacing airbrake bell cranks with reinforced airbrake bell cranks and replacing airbrake drive funnels with reinforced drive funnels. Adjust the airbrake control system as necessary, in accordance with a method approved by the FAA, EASA, or Schempp-Hirth's EASA Design Organization Approval (DOA).
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Compliance Time
Within 12 months of the effective date (October 12, 2023).
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Affected Aircraft
Schempp-Hirth Flugzeugbau GmbH Model Ventus-2a and Ventus-2b gliders.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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