AD 78-12-01 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-30 | Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes |
Unsafe Condition
Fuel system purge valve leakage and associated fuel leakage or fuel vapors entering the cabin.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove purge valves, Part Number 3706190, and replace them with modified purge valves, Part Number 3706235, in accordance with Shorts Service Bulletin SD3-28-08, Revision No. 1, dated February 15, 1979. If fuel leakage or vapors are detected in the cabin prior to compliance, comply before further flight. Equivalent methods may be approved through specified channels.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 30 hours time in service 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 Model SD3-30 Airplanes Serial Numbers SH 3003 through SH 3007 and SH 3009 through SH 3015
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Purge Valves
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_78-12-01_R.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-12-01 R1 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes Subject: Purge Valves Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/11/1980 Make: Short Brothers PLC Model: SD3-30 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 78-12-01 R1 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3858 AD NUMBER: 78-12-01 R1 SUBJECT HEADING: Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes ACTION: SUMMARY: DATES: Effective August 11, 1980. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-12-01 R1 SHORT BROTHERS LIMITED: Amendment 39-3229 as amended by Amendment 39-3858. Applies to Model SD3-30 Airplanes Serial Numbers SH 3003 through SH 3007 and SH 3009 through SH 3015, certificated in all categories. Compliance is required as indicated, unless already accomplished. To prevent fuel system purge valve leakage and associated fuel leakage or fuel vapors entering the cabin accomplish the following: (a) Within the next 30 hours time in service after the effective date of this AD, remove purge valves, Part Number 3706190, and replace them with modified purge valves, Part Number 3706235, in accordance with Shorts Service Bulletin SD3-28-08, Revision No. 1, dated February 15, 1979. (b) If fuel leakage or vapors are detected in the cabin prior to compliance with paragraph (a) of this AD but after the effective date of this AD, comply with paragraph (a) before further flight. (c) Equivalent methods of compliance with paragraph (a) of this AD may be approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa, and Middle East Office, c/o American Embassy, Brussels, Belgium, if the request is submitted through an FAA Maintenance Inspector and contains substantiating data to justify the method of compliance for that operator. Amendment 39-3229 became effective June 22, 1978. This Amendment 39-3858 becomes effective August 11, 1980. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_78-12-01_R.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-12-01 R1 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes Subject: Purge Valves Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/11/1980 Make: Short Brothers PLC Model: SD3-30 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: 78-12-01 R1 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3858 AD NUMBER: 78-12-01 R1 SUBJECT HEADING: Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes ACTION: SUMMARY: DATES: Effective August 11, 1980. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-12-01 R1 SHORT BROTHERS LIMITED: Amendment 39-3229 as amended by Amendment 39-3858. Applies to Model SD3-30 Airplanes Serial Numbers SH 3003 through SH 3007 and SH 3009 through SH 3015, certificated in all categories. Compliance is required as indicated, unless already accomplished. To prevent fuel system purge valve leakage and associated fuel leakage or fuel vapors entering the cabin accomplish the following: (a) Within the next 30 hours time in service after the effective date of this AD, remove purge valves, Part Number 3706190, and replace them with modified purge valves, Part Number 3706235, in accordance with Shorts Service Bulletin SD3-28-08, Revision No. 1, dated February 15, 1979. (b) If fuel leakage or vapors are detected in the cabin prior to compliance with paragraph (a) of this AD but after the effective date of this AD, comply with paragraph (a) before further flight. (c) Equivalent methods of compliance with paragraph (a) of this AD may be approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa, and Middle East Office, c/o American Embassy, Brussels, Belgium, if the request is submitted through an FAA Maintenance Inspector and contains substantiating data to justify the method of compliance for that operator. Amendment 39-3229 became effective June 22, 1978. This Amendment 39-3858 becomes effective August 11, 1980. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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