on-condition maintenance

on-condition maintenance

[¦ȯn kən¦dish·ən ′mānt·ən·əns] (industrial engineering) Examination of those aspects of an installation that are predictive of pending failure, followed by performance of preventative maintenance activities before occurrence of total failure.

on-condition maintenance

Maintenance of machinery when condition monitoring equipment indicates that a mechanical failure is about to occur.

on-condition maintenance

A type of aircraft maintenance in which parts are replaced only when their condition appears no longer airworthy, instead of at predetermined intervals of operation.