AD 80-22-12 R2
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-100 Long Body | BOEING Model 707, 720, 727, and 737 Series Airplanes |
| aircraft | The Boeing Company | 707-100B Long Body | BOEING Model 707, 720, 727, and 737 Series Airplanes |
| aircraft | The Boeing Company | 707-100B Short Body | BOEING Model 707, 720, 727, and 737 Series Airplanes |
| aircraft | The Boeing Company | 707-200 | BOEING Model 707, 720, 727, and 737 Series Airplanes |
| aircraft | The Boeing Company | 707-300 Series | BOEING Model 707, 720, 727, and 737 Series Airplanes |
| aircraft | The Boeing Company | 707-300B Series | BOEING Model 707, 720, 727, and 737 Series Airplanes |
| aircraft | The Boeing Company | 707-300C Series | BOEING Model 707, 720, 727, and 737 Series Airplanes |
| aircraft | The Boeing Company | 707-400 Series | BOEING Model 707, 720, 727, and 737 Series Airplanes |
| aircraft | The Boeing Company | 720 Series | BOEING Model 707, 720, 727, and 737 Series Airplanes |
| aircraft | The Boeing Company | 720B Series | BOEING Model 707, 720, 727, and 737 Series Airplanes |
Unsafe Condition
Failure to provide a positive warning when the leading edge devices are not extended for takeoff could result in an unsafe condition.
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Required Actions
Install leading edge device logic with aural warning per specified service bulletins by March 31, 1983, unless delayed until December 26, 1983 for 727/737 series. Alternate means may be used if approved.
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Compliance Time
On or before March 31, 1983, except for Model 727 and 737 series which may be delayed until December 26, 1983 if using the approved cockpit checklist procedure.
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Affected Aircraft
Boeing Model 707, 720, 727, and 737 series airplanes certificated in all categories.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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