AD 68-23-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-100 Long Body | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-100B Long Body | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-100B Short Body | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-200 | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-300 Series | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-300B Series | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-300C Series | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 707-400 Series | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 720 Series | BOEING Model 707 and 720 Series Aircraft |
| aircraft | The Boeing Company | 720B Series | BOEING Model 707 and 720 Series Aircraft |
Unsafe Condition
Cracking of fin-body terminal fittings, part number 5-84487, could result in structural failure of the vertical stabilizer.
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Required Actions
Inspect fin-body terminal fittings per Service Bulletin 2399, rework or replace cracked fittings, and replace fittings within specified times or install a new assembly per SB 2422.
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Compliance Time
Within the times listed in Inspection Schedules I, II, and III of Boeing Service Bulletin No. 2399, Revision 8, or later FAA-approved revision.
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Affected Aircraft
Boeing Model 707 and 720 Series aircraft listed in Boeing Service Bulletin 2399, Revision 8.
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Federal Register Abstract
Fin-body Terminal Fittings
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_68-23-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 68-23-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Model 707 and 720 Series Aircraft Subject: Fin-body Terminal Fittings Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/09/1968 Make: The Boeing Company Model: 707-100 Long Body | 707-100B Long Body | 707-100B Short Body | 707-200 | 707-300 Series | 707-300B S...Show more 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: 68-23-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-678 AD NUMBER: 68-23-02 SUBJECT HEADING: BOEING Model 707 and 720 Series Aircraft ACTION: SUMMARY: DATES: Effective December 9, 1968. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 68-23-02 BOEING: Amendment 39-678. Applies to Model 707 and 720 Series aircraft listed in Boeing Service Bulletin 2399, Revision 8. Compliance required as indicated unless already accomplished. (1) Inspect the fin-body terminal fittings, P/N 5-84487, on all airplanes listed in the Airplanes Affected section of Boeing Service Bulletin No. 2399, Revision 8, or later FAA approved revision. Perform inspections in accordance with Accomplishment Instructions, Parts I and II, and perform preventative modifications in accordance with Part V of that Service Bulletin within the times listed in Inspection Schedules I, II, and III of that Service Bulletin. The repetitive inspection schedule in Inspection Schedule I can be disregarded if fittings with 3500- 7000 hours time in service are found by inspection to be uncracked and are reworked in accordance with Part IV of the Service Bulletin. (2) Rework cracked fittings in accordance with Part III of Service Bulletin No. 2399, Revision 8, or later FAA-approved revision; or replace with a new part of the same part number; or install a new terminal fitting and bulkhead assembly in accordance with Boeing Service Bulletin No. 2422, or later FAA-approved revision, or an equivalent modification approved by the Chief, Aircraft Engineering Division, FAA Western Region. (3) Replace each fitting with a new part of the same part number within the times listed in Inspection Schedule III of Service Bulletin No. 2399, Revision 8, or later FAA-approved revision; or install a new terminal fitting and bulkhead assembly in accordance with Boeing Service Bulletin No. 2422 or after FAA-approved revision, or an equivalent modification approved by the Chief, Aircraft Engineering Division, FAA Western Region. This AD supersedes AD 66-16-01, Amendment 39-253, published in the Federal Register June 25, 1966, as amended by 39-295, as published in the Federal Register October 26, 1966. This amendment becomes effective December 9, 1968. FOOTER:
Document Text
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AD Final Rules - DRS_68-23-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 68-23-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING Model 707 and 720 Series Aircraft Subject: Fin-body Terminal Fittings Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/09/1968 Make: The Boeing Company Model: 707-100 Long Body | 707-100B Long Body | 707-100B Short Body | 707-200 | 707-300 Series | 707-300B S...Show more 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: 68-23-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-678 AD NUMBER: 68-23-02 SUBJECT HEADING: BOEING Model 707 and 720 Series Aircraft ACTION: SUMMARY: DATES: Effective December 9, 1968. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 68-23-02 BOEING: Amendment 39-678. Applies to Model 707 and 720 Series aircraft listed in Boeing Service Bulletin 2399, Revision 8. Compliance required as indicated unless already accomplished. (1) Inspect the fin-body terminal fittings, P/N 5-84487, on all airplanes listed in the Airplanes Affected section of Boeing Service Bulletin No. 2399, Revision 8, or later FAA approved revision. Perform inspections in accordance with Accomplishment Instructions, Parts I and II, and perform preventative modifications in accordance with Part V of that Service Bulletin within the times listed in Inspection Schedules I, II, and III of that Service Bulletin. The repetitive inspection schedule in Inspection Schedule I can be disregarded if fittings with 3500- 7000 hours time in service are found by inspection to be uncracked and are reworked in accordance with Part IV of the Service Bulletin. (2) Rework cracked fittings in accordance with Part III of Service Bulletin No. 2399, Revision 8, or later FAA-approved revision; or replace with a new part of the same part number; or install a new terminal fitting and bulkhead assembly in accordance with Boeing Service Bulletin No. 2422, or later FAA-approved revision, or an equivalent modification approved by the Chief, Aircraft Engineering Division, FAA Western Region. (3) Replace each fitting with a new part of the same part number within the times listed in Inspection Schedule III of Service Bulletin No. 2399, Revision 8, or later FAA-approved revision; or install a new terminal fitting and bulkhead assembly in accordance with Boeing Service Bulletin No. 2422 or after FAA-approved revision, or an equivalent modification approved by the Chief, Aircraft Engineering Division, FAA Western Region. This AD supersedes AD 66-16-01, Amendment 39-253, published in the Federal Register June 25, 1966, as amended by 39-295, as published in the Federal Register October 26, 1966. This amendment becomes effective December 9, 1968. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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