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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

on-condition maintenance

Maintenance of machinery when condition monitoring equipment indicates that a mechanical failure is about to occur.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

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.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
Designed for on-condition maintenance, the HTF7500E's periodic inspections and standard maintenance are easily performed on-wing, reducing costly downtime.
The company said its oil analysis technology has the potential to take engine diagnostics and prognostics to the next level of precision and efficacy to drive enhanced aircraft availability, reduce costs and enable preventive, on-condition maintenance environments.
The engines will be on an on-condition maintenance plan, which is expected to reduce the operating costs of the aircraft because maintenance intervals will be extended significantly.
The upgrades are designed to allow the engines to go from a hard-time maintenance schedule to an on-condition maintenance schedule.
The company said its HUMS solutions provide helicopter operators with actionable information that enables them to anticipate mechanical failures, make anticipatory maintenance decisions and act only when maintenance is actually necessary -- on-condition maintenance rather than at predefined intervals.