AD 69-20-06
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
Electrical overloads of circuits using Wood Electric Corporation three-phase circuit breakers (Boeing P/N BAC-C18L( ))
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace all Wood Electric Corp. three-phase circuit breakers (Boeing P/N BAC-C18L( )) in accordance with specified Boeing Service Bulletins or equivalent FAA-approved replacements.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 1500 hours' time in service after the effective date of this AD
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Affected Aircraft
Boeing Model 707, 720, 727, and 737 series airplanes
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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