AD 66-22-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 707-300B Series | BOEING Model 707-300B, 707-300B (ADV), and 707-300C Series Airplanes |
| aircraft | The Boeing Company | 707-300C Series | BOEING Model 707-300B, 707-300B (ADV), and 707-300C Series Airplanes |
Unsafe Condition
The absence of an antiskid HF filter could allow HF transmission between 2 and 6.5 mc. during taxi, takeoff roll, and landing with antiskid on, potentially causing antiskid system malfunction.
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Required Actions
Amend the Certification Limitation Section I of the FAA-approved Airplane Flight Manuals to include antiskid limitations restricting HF transmission between 2 and 6.5 mc. when antiskid is active during taxi, takeoff roll, and landing. This must be done until an antiskid HF filter is installed per Boeing Service Bulletin 2367 (R-2) or an equivalent approved modification.
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Compliance Time
Within the next 100 hours' time in service after the effective date of this AD
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Affected Aircraft
Boeing Model 707-300B, 707-300B (ADV), and 707-300C Series Airplanes
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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