AD 67-09-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus SAS | BAC 1-11 400 Series | Airworthiness Directives; BRITISH AIRCRAFT Model BAC 1-11 400 Series Airplanes |
Unsafe Condition
Interference between the flap jack screw and flap carriage assembly due to insufficient clearance between the nut on flap screw jack P/N CH526-010 and the inside faces of the lower rollers on the aft flap carriages P/N AK09 A1263, AK09 A1265, and AK09 A1266.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Measure the clearance between the nut and inside faces of the lower rollers at all 8 screw jack positions every 1,000 hours' time in service. If clearance is less than 0.025 inch, rework the nut stop head radius. Discontinue inspections if modified per BAC Service Bulletin 27-A-PM2469.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 500 hours' time in service after April 20, 1967, and thereafter every 1,000 hours' time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
BRITISH AIRCRAFT Model BAC 1-11 400 Series Airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Flap Jack Screw and Carriage Assembly
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_67-09-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 67-09-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BRITISH AIRCRAFT Model BAC 1-11 400 Series Airplanes Subject: Flap Jack Screw and Carriage Assembly Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/20/1967 Make: Airbus SAS Model: BAC 1-11 400 Series Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 67-09-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-372 AD NUMBER: 67-09-03 SUBJECT HEADING: Airworthiness Directives; BRITISH AIRCRAFT Model BAC 1-11 400 Series Airplanes ACTION: SUMMARY: DATES: Effective April 20, 1967. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 67-09-03 BRITISH AIRCRAFT: Amdt. 39-372 Part 39 Federal Register March 21, 1967. Applies to Model BAC 1-11 400 Series Airplanes. Compliance required as indicated. To prevent interference between the flap jack screw and flap carriage assembly, accomplish the following: (a) Within the next 500 hours' time in service after the effective date of this AD, unless already accomplished, and thereafter at intervals not to exceed 1,000 hours' time in service, measure the clearance between the head of the nut on flap screw jack P/N CH526-010 and the inside faces of the lower rollers on the aft flap carriages P/N AK09 A1263 and AK09 A1265 and AK09 A1266 at all 8 screw jack positions in accordance with BAC Alert Service Bulletin 27-A-PM2469 or later ARB-approved issue. If clearance is less than 0.025 inch, rework the nut stop head radius in accordance with BAC Service Bulletin No. 27-A-PM2469 or later ARB-approved issue. (b) The repetitive inspections required in (a) may be discontinued if the airplanes are modified in accordance with BAC Service Bulletin 27-A-PM2469 paragraph (a) or (b) and PM2469 paragraph (c) and PM2469 paragraph (d) or (e) and PM2469 paragraph (f) or (g) or later ARB-approved issue. This directive effective April 20, 1967. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_67-09-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 67-09-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BRITISH AIRCRAFT Model BAC 1-11 400 Series Airplanes Subject: Flap Jack Screw and Carriage Assembly Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 04/20/1967 Make: Airbus SAS Model: BAC 1-11 400 Series 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: 67-09-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-372 AD NUMBER: 67-09-03 SUBJECT HEADING: Airworthiness Directives; BRITISH AIRCRAFT Model BAC 1-11 400 Series Airplanes ACTION: SUMMARY: DATES: Effective April 20, 1967. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 67-09-03 BRITISH AIRCRAFT: Amdt. 39-372 Part 39 Federal Register March 21, 1967. Applies to Model BAC 1-11 400 Series Airplanes. Compliance required as indicated. To prevent interference between the flap jack screw and flap carriage assembly, accomplish the following: (a) Within the next 500 hours' time in service after the effective date of this AD, unless already accomplished, and thereafter at intervals not to exceed 1,000 hours' time in service, measure the clearance between the head of the nut on flap screw jack P/N CH526-010 and the inside faces of the lower rollers on the aft flap carriages P/N AK09 A1263 and AK09 A1265 and AK09 A1266 at all 8 screw jack positions in accordance with BAC Alert Service Bulletin 27-A-PM2469 or later ARB-approved issue. If clearance is less than 0.025 inch, rework the nut stop head radius in accordance with BAC Service Bulletin No. 27-A-PM2469 or later ARB-approved issue. (b) The repetitive inspections required in (a) may be discontinued if the airplanes are modified in accordance with BAC Service Bulletin 27-A-PM2469 paragraph (a) or (b) and PM2469 paragraph (c) and PM2469 paragraph (d) or (e) and PM2469 paragraph (f) or (g) or later ARB-approved issue. This directive effective April 20, 1967. 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.