AD 86-18-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-30 | Airworthiness Directives; SHORT BROTHERS PLC Models SD3-30 and SD3-60 Airplanes |
| aircraft | Short Brothers PLC | SD3-60 | Airworthiness Directives; SHORT BROTHERS PLC Models SD3-30 and SD3-60 Airplanes |
Unsafe Condition
Erroneous or erratic fuel quantity indications caused by moisture ingress into the fuel tank gauging system co-axial connectors.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Seal the affected co-axial connectors in accordance with Short Brothers PLC Service Bulletins SD3-28-22, Revision 2 (for Model SD3-30) and SD360-28-06, Revision 2 (for Model SD3-60). Allow alternate compliance or time adjustments with Manager, Standardization Branch approval. Use special flight permits under FAR 21.197/21.199 to operate to a base for AD compliance.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 90 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 PLC Models SD3-30 and SD3-60 airplanes listed in Service Bulletins SD3-28-22 and SD360-28-06, Revision 2, dated July 1985.
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.