AD 2009-24-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Scheibe-Flugzeugbau GmbH Models Bergfalke-III, Bergfalke-II/55, SF 25C, and SF-26A Standard Gliders |
Unsafe Condition
Looseness of the drive arm of the mechanical elevator trim tab, likely caused by penetrated humidity over the years. If left uncorrected, this could lead to separation of the drive arm, resulting in elevator flutter and possible loss of control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the drive arm of the mechanical elevator trim tab at the next scheduled maintenance inspection after January 4, 2010, or within 12 months after that date, whichever occurs first. If looseness is found, repair the drive arm before further flight. Thereafter, inspect the drive arm repetitively at intervals not exceeding 12 months, following specified service bulletins and work instructions.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 months of January 4, 2010, or at the next scheduled maintenance inspection after that date, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Scheibe-Flugzeugbau GmbH Models Bergfalke-III, Bergfalke-II/55, SF 25C, and SF-26A Standard gliders, all serial numbers, 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 6, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.