AD 78-12-10
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 rod end bearing of the nose wheel steering actuator.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the rod end bearing, P/N MS 21242S8K, with a new part of the same part number in accordance with Section 10 of Menasco Manufacturing Service Bulletin 32-21 dated January 11, 1978, or an FAA approved equivalent.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to the accumulation of 4000 landings or prior to accumulating 25 landings after the effective date of this AD, whichever occurs later, and thereafter at intervals not to exceed 4000 landings.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
SHORT BROTHERS LIMITED Model SD3-30 airplanes certificated in all categories.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Rod End Bearings
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_78-12-10.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-12-10 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes Subject: Rod End Bearings Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/26/1978 Make: Short Brothers PLC Model: SD3-30 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 78-12-10 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3236 AD NUMBER: 78-12-10 SUBJECT HEADING: Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes ACTION: SUMMARY: DATES: Effective June 26, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-12-10 SHORT BROTHERS LIMITED: Amendment 39-3236. Applies to Model SD3-30 airplanes certificated in all categories. Compliance is required prior to the accumulation of 4000 landings or prior to accumulating 25 landings after the effective date of this AD, whichever occurs later, unless already accomplished, and thereafter at intervals not to exceed 4000 landings. To prevent failure of the rod end bearing of the nose wheel steering actuator, replace the rod end bearing, P/N MS 21242S8K, with a new part of the same part number in accordance with Section 10, "Accomplishment Instructions" of Menasco Manufacturing Service Bulletin 32-21, dated January 11, 1978, or an FAA approved equivalent. NOTE: Short Brothers Limited Service Bulletin SD3-32-37 covers this same subject. This amendment becomes effective June 26, 1978. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_78-12-10.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-12-10 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes Subject: Rod End Bearings Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/26/1978 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: 78-12-10 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3236 AD NUMBER: 78-12-10 SUBJECT HEADING: Airworthiness Directives; SHORT BROTHERS LIMITED Model SD3-30 Airplanes ACTION: SUMMARY: DATES: Effective June 26, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-12-10 SHORT BROTHERS LIMITED: Amendment 39-3236. Applies to Model SD3-30 airplanes certificated in all categories. Compliance is required prior to the accumulation of 4000 landings or prior to accumulating 25 landings after the effective date of this AD, whichever occurs later, unless already accomplished, and thereafter at intervals not to exceed 4000 landings. To prevent failure of the rod end bearing of the nose wheel steering actuator, replace the rod end bearing, P/N MS 21242S8K, with a new part of the same part number in accordance with Section 10, "Accomplishment Instructions" of Menasco Manufacturing Service Bulletin 32-21, dated January 11, 1978, or an FAA approved equivalent. NOTE: Short Brothers Limited Service Bulletin SD3-32-37 covers this same subject. This amendment becomes effective June 26, 1978. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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