AMC1 M.A.501(a)(3) Classification and installation
CAA ORS9 Decision No. 1
UNSALVAGEABLE COMPONENTS
The following types of components should typically be classified as unsalvageable:
(a) components with non-repairable defects, whether visible or not to the naked eye;
(b) components that do not meet design specifications, and cannot be brought into conformity with such specifications;
(c) components subjected to unacceptable modification or rework that is irreversible;
(d) life-limited parts that have reached or exceeded their mandatory life limitation, or have missing or incomplete records;
(e) components whose airworthy condition cannot be restored due to exposure to extreme forces, heat or adverse environmental conditions;
(f) components for which conformity with an applicable airworthiness directive cannot be accomplished;
(g) components for which maintenance records and/or traceability to the manufacturer cannot be retrieved.