EASA SIB CE-13-43R1
Cirrus Design Corporation (CDC) SR22 and SR22T Aeroplanes - Corrosion of Fuel Return Lines
The Special Airworthiness Information Bulletin SAIB CE-13-43R1 addresses potential corrosion issues in the fuel return lines passing through the Tecalemit Kilfrost-Sheepbridge-Stokes (TKS) deicing fluid tanks on Cirrus Design Corporation SR22 and SR22T airplanes equipped with ice protection. It highlights concerns about corrosion-induced pinholes in fuel return lines and softening of the TKS tank sealant in affected serial numbers. This bulletin provides information and recommendations but does not mandate regulatory action.
Safety Information BulletinMaintenanceSafety MgmtCirrus Design Corporation SR22Cirrus Design Corporation SR22T