AD 2002-01-19
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker | F | Airworthiness Directives; Fokker Model F.28 Mark 0070 and 0100 Series Airplanes |
Unsafe Condition
Failure of the heating system of pitot tube #1 due to a short circuit, which may go undetected and lead to erroneous airspeed indications, resulting in reduced control of the airplane.
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Required Actions
Conduct repetitive operational tests for discrepancies of the heating system of pitot tube #1. Replace the pitot tube if necessary. Eventually modify the alternating current sensing circuit for pitot tube #1 to terminate the repetitive operational test requirement.
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Compliance Time
Before further flight
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Affected Aircraft
Fokker Model F.28 Mark 0070 and 0100 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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