AD 78-11-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-30 | Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes |
Unsafe Condition
Failure of the main landing gear swivel assembly due to the use of swivel sub-assembly part numbers 17684-1, -3, -7, -9, or -9A, flange collar part number SD3-40-0023, and associated fasteners.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the existing swivel sub-assembly (P/N 17684-1, -3, -7, -9, or -9A), flange collar (P/N SD3-40-0023), and associated fasteners. Replace with swivel sub-assembly P/N 17684-13, flanged collar P/N SD3-40-0040xB, and new fasteners per Short Brothers Mandatory Service Bulletin SD3-32-03, Rev 3, and Menasco Service Bulletin 32-8, Rev 1, or FAA-approved equivalents.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to accumulating 5000 landings or within 100 landings after the effective date of this AD, whichever occurs later.
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 3003 through 3010.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Main Landing Gear Swivel Assembly
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_78-11-09.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-11-09 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes Subject: Main Landing Gear Swivel Assembly Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/06/1978 Make: Short Brothers PLC Model: SD3-30 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 78-11-09 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3217 AD NUMBER: 78-11-09 SUBJECT HEADING: Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes ACTION: SUMMARY: DATES: Effective June 6, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-11-09 SHORT BROTHERS LIMITED: Amendment 39-3217. Applies to Model SD3-30 airplanes, S/Ns 3003 through 3010, certificated in all categories. Compliance required prior to accumulating 5000 landings or within 100 landings after the effective date of this AD, whichever occurs later, unless already accomplished. To prevent failure of the main landing gear swivel assembly, remove the swivel sub- assembly, P/N 17684-1, -3, -7, -9, or -9A, the flange collar, P/N SD3-40-0023, and associated fasteners and replace with a swivel sub-assembly, P/N 17684-13, flanged collar, P/N SD3-40- 0040xB, and new fasteners all in accordance with paragraph 2, "Accomplishment Instructions", of Short Brothers Limited Mandatory Service Bulletin SD3-32-03, Revision 3, dated March 3, 1978, or an FAA-approved equivalent, and paragraph 10, "Accomplishment Instructions" of Menasco Manufacturing Service Bulletin 32-8, Revision 1, dated January 24, 1978, or an FAA- approved equivalent. This amendment becomes effective June 6, 1978. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_78-11-09.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-11-09 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes Subject: Main Landing Gear Swivel Assembly Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/06/1978 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: 78-11-09 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3217 AD NUMBER: 78-11-09 SUBJECT HEADING: Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes ACTION: SUMMARY: DATES: Effective June 6, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-11-09 SHORT BROTHERS LIMITED: Amendment 39-3217. Applies to Model SD3-30 airplanes, S/Ns 3003 through 3010, certificated in all categories. Compliance required prior to accumulating 5000 landings or within 100 landings after the effective date of this AD, whichever occurs later, unless already accomplished. To prevent failure of the main landing gear swivel assembly, remove the swivel sub- assembly, P/N 17684-1, -3, -7, -9, or -9A, the flange collar, P/N SD3-40-0023, and associated fasteners and replace with a swivel sub-assembly, P/N 17684-13, flanged collar, P/N SD3-40- 0040xB, and new fasteners all in accordance with paragraph 2, "Accomplishment Instructions", of Short Brothers Limited Mandatory Service Bulletin SD3-32-03, Revision 3, dated March 3, 1978, or an FAA-approved equivalent, and paragraph 10, "Accomplishment Instructions" of Menasco Manufacturing Service Bulletin 32-8, Revision 1, dated January 24, 1978, or an FAA- approved equivalent. This amendment becomes effective June 6, 1978. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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