AD 99-18-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-30 | Airworthiness Directives; Short Brothers Model SD3-30 Series Airplanes |
Unsafe Condition
Failure of the autofeather system, which could result in reduced controllability of the airplane in the event of engine failure during takeoff.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify electrical wiring associated with component heaters in accordance with Shorts Service Bulletin SD330-30-33, dated June 1998. The modification must be completed within 60 days after the effective date of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 60 days after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Short Brothers Model SD3-30 series airplanes modified in accordance with Shorts Service Bulletin SD330-30-30, dated June 1988.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.