Issues Discovered With Fuel Return Lines That Pass Through Anti-Icing Fluid Tanks
The FAA has issued an SAIB tied to possible corrosion of the fuel return lines that pass through the Tecalemit Kilfrost-Sheepbridge-Stokes (TKS) deicing fluid tank/s; and softening of the sealant used in the TKS tank/s on Cirrus Design Corporation (CDC) Model SR22 airplanes, serial numbers 2334, 2420, 2438 through 3691, equipped with ice protection, and Model SR22T airplanes, serial numbers 0001 through 0556, equipped with ice protection.