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
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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.
Federal Register Abstract
Co-Axial Connectors
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_86-18-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 86-18-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SHORT BROTHERS PLC Models SD3-30 and SD3-60 Airplanes Subject: Co-Axial Connectors Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/11/1986 Make: Short Brothers PLC Model: SD3-30 | SD3-60 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 86-18-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5388 AD NUMBER: 86-18-08 SUBJECT HEADING: Airworthiness Directives; SHORT BROTHERS PLC Models SD3-30 and SD3-60 Airplanes ACTION: SUMMARY: DATES: Effective September 11, 1986. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 86-18-08 SHORT BROTHERS PLC: Amendment 39-5388. Applies to Models SD3-30 and SD3-60 airplanes listed in Short Brothers PLC Service Bulletins SD3-28-22, Revision 2, dated July 1985 (for Model SD3-30 airplanes), and SD360-28-06, Revision 2, dated July 1985 (for Model SD3-60 airplanes), certificated in any category. Compliance is required within 90 days after the effective date of this AD. To prevent erroneous or erratic fuel quantity indications caused by moisture ingress into the fuel tank gauging system co-axial connectors, accomplish the following, unless previously accomplished: A. Seal the affected co-axial connectors in accordance with Short Brothers PLC, Service Bulletins SD3-28-22, Revision 2, dated July 1985, for Model SD3-30 airplanes, and SD360-28-06, Revision 2, dated July 1985, for Model SD3-60 airplanes. B. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Standardization Branch, ANM-113, FAA, Northwest Mountain Region. C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD. All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to Shorts Aircraft, 1725 Jefferson Davis Highway, Suite 510, Arlington, Virginia 22202. These documents may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington. This amendment becomes effective September 11, 1986. FOOTER:
Document Text
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AD Final Rules - DRS_86-18-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 86-18-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SHORT BROTHERS PLC Models SD3-30 and SD3-60 Airplanes Subject: Co-Axial Connectors Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/11/1986 Make: Short Brothers PLC Model: SD3-30 | SD3-60 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 86-18-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-5388 AD NUMBER: 86-18-08 SUBJECT HEADING: Airworthiness Directives; SHORT BROTHERS PLC Models SD3-30 and SD3-60 Airplanes ACTION: SUMMARY: DATES: Effective September 11, 1986. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 86-18-08 SHORT BROTHERS PLC: Amendment 39-5388. Applies to Models SD3-30 and SD3-60 airplanes listed in Short Brothers PLC Service Bulletins SD3-28-22, Revision 2, dated July 1985 (for Model SD3-30 airplanes), and SD360-28-06, Revision 2, dated July 1985 (for Model SD3-60 airplanes), certificated in any category. Compliance is required within 90 days after the effective date of this AD. To prevent erroneous or erratic fuel quantity indications caused by moisture ingress into the fuel tank gauging system co-axial connectors, accomplish the following, unless previously accomplished: A. Seal the affected co-axial connectors in accordance with Short Brothers PLC, Service Bulletins SD3-28-22, Revision 2, dated July 1985, for Model SD3-30 airplanes, and SD360-28-06, Revision 2, dated July 1985, for Model SD3-60 airplanes. B. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Standardization Branch, ANM-113, FAA, Northwest Mountain Region. C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD. All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to Shorts Aircraft, 1725 Jefferson Davis Highway, Suite 510, Arlington, Virginia 22202. These documents may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington. This amendment becomes effective September 11, 1986. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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