AD 77-15-07
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 810 | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Airplanes |
Unsafe Condition
Corrosion of the aileron control rods could lead to possible aileron failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect aileron control rods for corrosion within 30 days after the effective date or 18 months from last overhaul, whichever is later, and every 6 months thereafter. If corrosion is found, replace corroded parts before further flight. Conduct radiographic and visual inspections within 2 years after the effective date or at next overhaul, whichever is sooner, and rework or replace parts as needed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 30 days after the effective date of this AD or 18 months from the date of the last overhaul of the specified aileron control rods, whichever occurs later, and thereafter at intervals not to exceed 6 months from the last inspection. Additionally, within the next 2 years after the effective date of this AD or at the next aileron control rod overhaul, whichever occurs sooner.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount Model 744, 745D, and 810 airplanes with aileron control rods P/N 60903, sheets 185 and 187 and P/N 70103, sheets 329, 445, 447, 449, 451, 453, 455, 457, and 459.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Aileron Control Rods
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_77-15-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 77-15-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Airplanes Subject: Aileron Control Rods Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/22/1977 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: 77-15-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2980 AD NUMBER: 77-15-07 SUBJECT HEADING: Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Airplanes ACTION: SUMMARY: DATES: Effective August 22, 1977. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 77-15-07 BRITISH AIRCRAFT CORPORATION: Amendment 39-2980. Applies to Viscount Model 744, 745D, and 810 airplanes with aileron control rods, P/N 60903, sheets 185 and 187 and P/N 70103, sheets 329, 445, 447, 449, 451, 453, 455, 457, and 459, certificated in all categories. Compliance is required as indicated, unless already accomplished. To detect corrosion of the aileron control rods and prevent possible aileron failure, accomplish the following: (a) Within the next 30 days after the effective date of this AD or 18 months from the date of the last overhaul of the specified aileron control rods, whichever occurs later, and thereafter at intervals not to exceed 6 months from the last inspection, inspect the aileron control rods for corrosion in accordance with paragraph 2.2 "Accomplishment Instructions" section of issue 2, dated June 2, 1976, British Aircraft Corporation Alert Preliminary Technical Leaflets No. 305 for 700 series airplanes and NO. 174 for 810 series airplanes, or an FAA-approved equivalent. (b) If, during an inspection required by paragraph (a) of this AD, corrosion is found, before further flight, replace the corroded parts with new parts of the same part number. (c) If, during an inspection required by paragraph (a) of this AD, no corrosion is found, rework the aileron control rods in accordance with paragraph 2.2.1 "Accomplishment Instructions" section of issue 2, dated June 2, 1976, British Aircraft Corporation Alert Preliminary Technical Leaflets No. 305 for 700 series airplanes and No. 174 for 810 series airplanes, or an FAA-approved equivalent. (d) The repetitive inspections required by paragraph (a) of this AD may be discontinued upon compliance with paragraph (e) of this AD. (e) Within the next 2 years after the effective date of this AD or at the next aileron control rod overhaul, whichever occurs sooner, remove the affected aileron control rods, disassemble the external sleeves where fitted, and conduct a radiographic inspection of the aileron control rod tubes and a visual inspection of the external sleeves in accordance with paragraph 2.4 "Accomplishment Instructions" and paragraph entitled "Radiographic Technique" of issue 2, dated June 2, 1976, British Aircraft Corporation Alert Preliminary Technical Leaflets No. 305 for 700 series airplanes and NO. 174 for 810 series airplanes, or an FAA-approved equivalent. (f) If, during the inspection required by paragraph (e) of this AD, corrosion is found, before further flight, replace the corroded parts with new parts of the same part number. (g) If, during the inspection required by paragraph (e) of this AD, no corrosion is found, rework the aileron control rods in accordance with paragraph 2.4 "Accomplishment Instructions" section of issue 2, dated June 2, 1976, British Aircraft Corporation Alert Preliminary Technical Leaflets No. 305 for 700 series airplanes and No. 174 for 810 series airplanes, or an FAA-approved equivalent. This amendment becomes effective August 22, 1977. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_77-15-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 77-15-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Airplanes Subject: Aileron Control Rods Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/22/1977 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: 77-15-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2980 AD NUMBER: 77-15-07 SUBJECT HEADING: Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D, and 810 Airplanes ACTION: SUMMARY: DATES: Effective August 22, 1977. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 77-15-07 BRITISH AIRCRAFT CORPORATION: Amendment 39-2980. Applies to Viscount Model 744, 745D, and 810 airplanes with aileron control rods, P/N 60903, sheets 185 and 187 and P/N 70103, sheets 329, 445, 447, 449, 451, 453, 455, 457, and 459, certificated in all categories. Compliance is required as indicated, unless already accomplished. To detect corrosion of the aileron control rods and prevent possible aileron failure, accomplish the following: (a) Within the next 30 days after the effective date of this AD or 18 months from the date of the last overhaul of the specified aileron control rods, whichever occurs later, and thereafter at intervals not to exceed 6 months from the last inspection, inspect the aileron control rods for corrosion in accordance with paragraph 2.2 "Accomplishment Instructions" section of issue 2, dated June 2, 1976, British Aircraft Corporation Alert Preliminary Technical Leaflets No. 305 for 700 series airplanes and NO. 174 for 810 series airplanes, or an FAA-approved equivalent. (b) If, during an inspection required by paragraph (a) of this AD, corrosion is found, before further flight, replace the corroded parts with new parts of the same part number. (c) If, during an inspection required by paragraph (a) of this AD, no corrosion is found, rework the aileron control rods in accordance with paragraph 2.2.1 "Accomplishment Instructions" section of issue 2, dated June 2, 1976, British Aircraft Corporation Alert Preliminary Technical Leaflets No. 305 for 700 series airplanes and No. 174 for 810 series airplanes, or an FAA-approved equivalent. (d) The repetitive inspections required by paragraph (a) of this AD may be discontinued upon compliance with paragraph (e) of this AD. (e) Within the next 2 years after the effective date of this AD or at the next aileron control rod overhaul, whichever occurs sooner, remove the affected aileron control rods, disassemble the external sleeves where fitted, and conduct a radiographic inspection of the aileron control rod tubes and a visual inspection of the external sleeves in accordance with paragraph 2.4 "Accomplishment Instructions" and paragraph entitled "Radiographic Technique" of issue 2, dated June 2, 1976, British Aircraft Corporation Alert Preliminary Technical Leaflets No. 305 for 700 series airplanes and NO. 174 for 810 series airplanes, or an FAA-approved equivalent. (f) If, during the inspection required by paragraph (e) of this AD, corrosion is found, before further flight, replace the corroded parts with new parts of the same part number. (g) If, during the inspection required by paragraph (e) of this AD, no corrosion is found, rework the aileron control rods in accordance with paragraph 2.4 "Accomplishment Instructions" section of issue 2, dated June 2, 1976, British Aircraft Corporation Alert Preliminary Technical Leaflets No. 305 for 700 series airplanes and No. 174 for 810 series airplanes, or an FAA-approved equivalent. This amendment becomes effective August 22, 1977. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.