AD Amdt-39-10287
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna | Aircraft Company Models 172R and 182S | Airworthiness Directives; Cessna Aircraft Company Models 172R and 182S Airplanes |
Unsafe Condition
Improper installation of the identification placard on the alternate static air source may restrict the alternate static air source port and cause separation of the valve body from the valve flange, leading to erroneous indications from altimeter, airspeed, and vertical speed indicators.
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Required Actions
Fabricate and install placards to prohibit IFR operation and use of the alternate static air source; inspect the alternate static air source valve to ensure the port is not restricted and the valve body does not separate from the flange; rework or replace components as necessary.
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Compliance Time
Before further flight
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Affected Aircraft
Cessna Aircraft Company Models 172R and 182S airplanes with improper placard installation on the alternate static air source.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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