.
On a preplanned scheduled basis.
On a preplanned unscheduled basis.
On a maintenance concept.
In a timely manner.
Corrective (unscheduled) maintenance
Scheduled maintenance
Deferred maintenance
Preplanned maintenance
Delayed
Routine
On and Off equipment
Aircraft
Supervision
Accomplish maintenance
Communication
To highlight trends, benchmarks, or safety conditions relating to maintenance equipment, personnel, training, or processes.
DR report
Relevant background information and history
Document number
Personnel usage
Organize and centralize repairs
Enhance and localize program meetings
Repair and resubmit depot maintenance
Increase local repair capability where appropriate and reduce the overall cost of operations.
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Here's an interesting quiz for you.