There is a significant and recurring corrosion problem with thrust reverser doors and aft body assemblies on the thrust reversers installed on the family of aircraft utilising the Honeywell HTF7000 engine.

Installed on Jet Edge's Challenger 300s, QTA's carbon graphite composite barrel cures a headache for operators troubled by expensive and time-consuming inner barrel corrosion 'fixes' that never last.

QTA's carbon graphite composite inner barrel comes with a lifetime warranty, assigned to the aircraft's serial number that automatically transfers to any future owner. It is designed to be fitted on Gulfstream G450s.