AD 2012-01-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders |
Unsafe Condition
Small cracks have been found on engine pylons in the area of the lower engine support that have not been detected during the standard daily inspection. This condition, if not detected and corrected, could lead to an engine pylon failure resulting in loss of control of the glider.
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Required Actions
Replace the daily inspection pages of the airplane flight manual following Schempp-Hirth Flugzeugbau GmbH Technical Note No. 863-20 Revision 1. Inspect the engine pylon for damage or cracks before further flight and repetitively thereafter at intervals not to exceed every 12 months. If any damage or crack is found, replace the engine pylon with part number M03RT841 following Schempp-Hirth Flugzeugbau GmbH Technical Note No. 863-14.
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Compliance Time
Within 30 days after the effective date of this AD.
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Affected Aircraft
Schempp-Hirth Flugzeugbau GmbH Model Discus 2cT gliders, serial numbers 1 through 35, certificated in any category, except those on which an engine pylon, part number (P/N) M03RT841, is installed.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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