EASA SIB CE-04-03
Cessna and Reims Aviation — Control Yoke Assembly
Summary
Special Airworthiness Information Bulletin No. CE-04-03 is a safety notification from the FAA regarding certain Cessna Aircraft Company and Reims Aviation 172, 180, and 185 series airplanes. It addresses the potential failure of the control yoke assembly due to corrosion caused by moisture ingress, which could result in loss of pitch and possible loss of aileron control. The bulletin lists specific affected models including various Cessna 172 variants and Reims Aviation Cessna models.
What Changed
This bulletin introduces a safety concern about corrosion-related failures in the control yoke assembly of specified Cessna and Reims Aviation airplanes. It references Cessna Service Bulletin SEB01-3, which provides inspection and corrosion treatment procedures to mitigate this risk. The bulletin recommends implementing these procedures but does not mandate them.
Why It Matters
This information is critical for operators, maintenance personnel, and compliance teams to prevent potential control failures that could compromise flight safety. Early detection and treatment of corrosion in the control yoke assembly can prevent loss of aircraft control surfaces, thereby reducing accident risk. Understanding and following the recommended inspections helps maintain airworthiness and operational safety.
What To Do
Operators of affected Cessna 172, 180, and 185 series airplanes should incorporate Cessna Service Bulletin SEB01-3 to inspect and treat the control yoke assembly for corrosion as soon as possible. The inspection involves removing the yoke, drilling an access hole, and performing ultrasonic thickness measurements if corrosion is found. Annual external visual inspections of the yoke are also recommended following the initial service bulletin actions.
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