CESSNA F-172 H — Airworthiness Directives

This document is an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority (CASA) of Australia concerning specific Cessna aircraft models, including the Cessna F-172 H. The AD addresses safety concerns related to the alternate static air source selector valve, part number 2013142-18, which may have been improperly installed on certain aircraft. The directive outlines inspection requirements and compliance timelines to ensure the safety of the aircraft and its operation. It is crucial for operators and maintenance personnel to follow the instructions provided to mitigate risks associated with erroneous flight instrument readings that could lead to loss of control.

• The AD applies to Cessna 170, 172, F172, FR172, and 175 series aeroplanes.
• Inspect the alternate static air source selector valve for obstruction before further flight.
• Compliance is required by May 13, 2008, for all affected aircraft.
• If the placard obstructs the port, it must be removed and discarded immediately.
• Operators can inspect maintenance records to determine if the affected part has been replaced.