AD 96-04-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | DG Flugzeugbau GmbH | DG-500M | Airworthiness Directives; Glaser-Dirks Flugzeugbau GmbH DG-500M Sailplanes |
Unsafe Condition
Cracks in the welding of the lever to the torsion tube of the airbrake control could result in unintended extension of the airbrakes, leading to flutter, excessive rate of descent, and loss of control of the sailplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the airbrake control hook-up shaft (part number 5 St 57) with an improved design part (part number 5 St 57 change b) in accordance with the applicable maintenance or service manual.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Required prior to further flight after the effective date of this AD, unless already accomplished.
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Affected Aircraft
DG-500M sailplanes (serial numbers 5E30M14 through 5E60M25), certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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