AD 2001-24-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short | Brothers Model SD3 Series | Airworthiness Directives; Short Brothers Model SD3 Series Airplanes |
Unsafe Condition
Failure of the engines to reach adequate reserve takeoff power (RTOP) boost during takeoff, which could result in reduced controllability of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 100 flight cycles or 90 days after the effective date, whichever comes later: (1) Test the engine power lever to ensure the fuel control unit (FCU) lever is contacting the maximum stop, and adjust the FCU rigging if necessary; (2) Perform an engine ground run for correct gas generator rotational speed; (3) Conduct a static reduced power check on each engine to ensure correct RTOP system operation; (4) Perform follow-on actions as necessary, including functional checks, replacements, adjustments, or overhauls per applicable service bulletins. Repeat these tests at intervals not exceeding 90 days.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 100 flight cycles or 90 days after the effective date, whichever comes later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
All Short Brothers Model SD3-SHERPA, SD3-60, SD3-60 SHERPA series airplanes, and Model SD3-30 series airplanes with PT6A-45R series engines, 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.