AD 64-04-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-100 Long Body | BOEING All Airplanes Listed in Boeing SB No. 942 |
| aircraft | The Boeing Company | 707-100B Long Body | BOEING All Airplanes Listed in Boeing SB No. 942 |
| aircraft | The Boeing Company | 707-100B Short Body | BOEING All Airplanes Listed in Boeing SB No. 942 |
| aircraft | The Boeing Company | 707-200 | BOEING All Airplanes Listed in Boeing SB No. 942 |
| aircraft | The Boeing Company | 707-300 Series | BOEING All Airplanes Listed in Boeing SB No. 942 |
| aircraft | The Boeing Company | 707-300B Series | BOEING All Airplanes Listed in Boeing SB No. 942 |
| aircraft | The Boeing Company | 707-300C Series | BOEING All Airplanes Listed in Boeing SB No. 942 |
| aircraft | The Boeing Company | 707-400 Series | BOEING All Airplanes Listed in Boeing SB No. 942 |
| aircraft | The Boeing Company | 720 Series | BOEING All Airplanes Listed in Boeing SB No. 942 |
| aircraft | The Boeing Company | 720B Series | BOEING All Airplanes Listed in Boeing SB No. 942 |
Unsafe Condition
Cracks in stabilizer center section rear spar upper attach fittings and lug areas
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect both stabilizer center section rear spar upper attach fittings visually for cracks, including all visible areas of the lug area (left and right side) using a mirror to inspect the outboard edge of the lug. Replace any center section having cracked parts before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
at the next terminal where adequate facilities and personnel are available but not to exceed 30 hours' time in service after the effective date of this AD, unless already accomplished in accordance with Boeing Alert Service Bulletin No. 1967 dated January 31, 1964
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
The Boeing Company models 707-100 Long Body, 707-100B Long Body, 707-100B Short Body, 707-200, 707-300 Series, 707-300B Series, and others listed in Boeing SB No. 942 on which SB No. 942 has not been accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Stabilizer Attach Fittings
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_64-04-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-04-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING All Airplanes Listed in Boeing SB No. 942 Subject: Stabilizer Attach Fittings Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 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: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 64-04-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-04-02 SUBJECT HEADING: BOEING All Airplanes Listed in Boeing SB No. 942 ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-04-02 BOEING: Amdt. 687 Part 507 Federal Register February 20, 1964. Applies to All Airplanes Listed in Boeing Service Bulletin No. 942 On Which Service Bulletin No. 942 Has Not Been Accomplished. Compliance required at the next terminal where adequate facilities and personnel are available but not to exceed 30 hours' time in service after the effective date of this AD, unless already accomplished in accordance with Boeing Alert Service Bulletin No. 1967 dated January 31, 1964. Inspect both stabilizer center section rear spar upper attach fittings visually for cracks. Inspect all visible areas of the lug area (left and right side). Use a mirror to inspect outboard edge of lug that is sandwiched between lugs of mating part. Replace any center section having cracked parts before further flight. This directive effective upon publication in the Federal Register for all persons except those to whom it was made effective immediately by telegram dated February 4, 1964. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_64-04-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 64-04-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: BOEING All Airplanes Listed in Boeing SB No. 942 Subject: Stabilizer Attach Fittings Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 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: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 64-04-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 64-04-02 SUBJECT HEADING: BOEING All Airplanes Listed in Boeing SB No. 942 ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 64-04-02 BOEING: Amdt. 687 Part 507 Federal Register February 20, 1964. Applies to All Airplanes Listed in Boeing Service Bulletin No. 942 On Which Service Bulletin No. 942 Has Not Been Accomplished. Compliance required at the next terminal where adequate facilities and personnel are available but not to exceed 30 hours' time in service after the effective date of this AD, unless already accomplished in accordance with Boeing Alert Service Bulletin No. 1967 dated January 31, 1964. Inspect both stabilizer center section rear spar upper attach fittings visually for cracks. Inspect all visible areas of the lug area (left and right side). Use a mirror to inspect outboard edge of lug that is sandwiched between lugs of mating part. Replace any center section having cracked parts before further flight. This directive effective upon publication in the Federal Register for all persons except those to whom it was made effective immediately by telegram dated February 4, 1964. 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.
Related Airworthiness Directives
2023-12-15
final ruleAirworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: 5G C-Band interference can cause radio altimeters to not perform their intended function, resulting in increased flightcrew workload while on approach with the flight director, autothrottle, or aut...
2023-10-02
final ruleAirworthiness Directives; Transport and Commuter Category Airplanes
Unsafe Condition: Radio altimeter anomalies that are undetected by the automation or pilot, particularly close to the ground (e.g., landing flare), could lead to loss of continued safe flight and landing. Additional...
2022-25-01 Recurring
final ruleAirworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: cracking in fastener holes at the center wing box and at certain positions of the rear spar and lower skin
2020-03-11
final ruleAirworthiness Directives; The Boeing Company Airplanes
Unsafe Condition: The potential for a fuel tank ignition source to occur from the FQIS due to its design architecture, component design details, and installation design details.
