AD 2021-02-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
pitot tubes blocked by ice, which could affect the airspeed indication provided to the flightcrew through the ADH system and result in loss of aircraft controllability.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
modifying the ADH system to display the proper airspeed indications, testing, and any applicable corrective actions.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 24 months after July 25, 2007
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
The Boeing Company Model 717-200 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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