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.
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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
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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
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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