Over the past several years the FZG A/8.3/90 test method has been used to evaluate current qualified aviation lubricants. The results of the effort have been summarized in this document as a historical reference to document the findings made from the committee.
Rationale: The work that was completed by the E-34 committee should be documented to show why the FZG A/8.3/90 method is not used in the AS5780 specification..
