AD 75-17-01
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 810 | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Series Airplanes |
Unsafe Condition
Interference with the movement of the aileron control in-flight due to the presence of A25-1C attachment bolts on the false trailing edge member access door adjacent to the gust lock unit lever.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the two A25-1C attachment bolts and replace with rivets or FAA-approved equivalent, or block off bolt-holes with rivets or FAA-approved equivalent if bolts are not present.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 125 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
Viscount Model 744, 745D, and 810 Series airplanes with Modification D.1860 incorporated.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Aileron Control In-Flight
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-17-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-17-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Series Airplanes Subject: Aileron Control In-Flight Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/01/1975 Make: Vickers-Armstrongs (Aircraft Limited) Model: Viscount 744 | Viscount 745D | Viscount 810 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 75-17-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2301 AD NUMBER: 75-17-01 SUBJECT HEADING: Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Series Airplanes ACTION: SUMMARY: DATES: Effective September 1, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-17-01 BRITISH AIRCRAFT CORPORATION: Amendment 39-2301. Applies to Viscount Model 744, 745D, and 810 Series airplanes, with Modification D.1860 incorporated. Compliance is required within the next 125 hours time in service after the effective date of this AD, unless already accomplished. To prevent interference with the movement of the aileron control in-flight, accomplish the following: (a) Remove the two A25-1C attachment bolts on the false trailing edge member access door adjacent to the gust lock unit lever, if they are presently installed, and replace with rivets, or an FAA-approved equivalent as shown in Figure 1 of BAC Alert Preliminary Technical Leaflet No. 160, Issue 2, dated December 8, 1972, for 810 series airplanes or Figure 1 of BAC Alert Technical Leaflet No. 292, Issue 2, dated December 8, 1972, for 700 series airplanes. (b) For false trailing edge member access doors not having the two A25-1C attachment bolts adjacent to the gust lock unit lever presently installed, block off the two bolt- holes with rivets, or an FAA-approved equivalent. This amendment becomes effective September 1, 1975. FOOTER:
Document Text
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AD Final Rules - DRS_75-17-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-17-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Series Airplanes Subject: Aileron Control In-Flight Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/01/1975 Make: Vickers-Armstrongs (Aircraft Limited) Model: Viscount 744 | Viscount 745D | Viscount 810 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: 75-17-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2301 AD NUMBER: 75-17-01 SUBJECT HEADING: Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Series Airplanes ACTION: SUMMARY: DATES: Effective September 1, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-17-01 BRITISH AIRCRAFT CORPORATION: Amendment 39-2301. Applies to Viscount Model 744, 745D, and 810 Series airplanes, with Modification D.1860 incorporated. Compliance is required within the next 125 hours time in service after the effective date of this AD, unless already accomplished. To prevent interference with the movement of the aileron control in-flight, accomplish the following: (a) Remove the two A25-1C attachment bolts on the false trailing edge member access door adjacent to the gust lock unit lever, if they are presently installed, and replace with rivets, or an FAA-approved equivalent as shown in Figure 1 of BAC Alert Preliminary Technical Leaflet No. 160, Issue 2, dated December 8, 1972, for 810 series airplanes or Figure 1 of BAC Alert Technical Leaflet No. 292, Issue 2, dated December 8, 1972, for 700 series airplanes. (b) For false trailing edge member access doors not having the two A25-1C attachment bolts adjacent to the gust lock unit lever presently installed, block off the two bolt- holes with rivets, or an FAA-approved equivalent. This amendment becomes effective September 1, 1975. FOOTER:
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Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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