AD 97-08-02 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Schempp-Hirth Flugzeugbau GmbH | Discus a | Airworthiness Directives; Schempp-Hirth K.G. Models Nimbus-2B, Mini-Nimbus B, Discus a, and Discus b Sailplanes |
| aircraft | Schempp-Hirth Flugzeugbau GmbH | Discus b | Airworthiness Directives; Schempp-Hirth K.G. Models Nimbus-2B, Mini-Nimbus B, Discus a, and Discus b Sailplanes |
| aircraft | Schempp-Hirth Flugzeugbau GmbH | Mini-Nimbus B | Airworthiness Directives; Schempp-Hirth K.G. Models Nimbus-2B, Mini-Nimbus B, Discus a, and Discus b Sailplanes |
| aircraft | Schempp-Hirth Flugzeugbau GmbH | Nimbus-2B | Airworthiness Directives; Schempp-Hirth K.G. Models Nimbus-2B, Mini-Nimbus B, Discus a, and Discus b Sailplanes |
Unsafe Condition
Corrosion in the elevator caused by water entering the elevator control rod, which could result in elevator failure and consequent loss of control of the sailplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Accomplish a load test of the elevator control system prior to further flight after May 30, 1997. Replace the elevator vertical actuating tube either immediately if discrepancies are found or within the next 6 calendar months after May 30, 1997, whichever occurs later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to further flight after May 30, 1997 (for the load test) and within the next 6 calendar months after May 30, 1997 or prior to further flight after that date, whichever occurs later (for the replacement).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Schempp-Hirth Flugzeugbau GmbH Models Nimbus-2B (all serial numbers), Mini-Nimbus B (all serial numbers), Discus a and Discus b (serial numbers 1 to 446).
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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