Six core dimensions of maintenance and failure to be managed

1- REACHABILITY
There are more and less convenient times for maintaining an asset.
2- CASCADED DAMAGE
The failure of a single part can cause damage to a wider system.
3- QUALITY
Assets progressing towards failure endanger production quality levels.
4-EQUIPMENT LOGISTICS
Maintenance requires preparation such as ordering of parts or deployment of
tools.
5-INTERDEPENDENCE
Unplanned maintenance can lead to substantial downtimes and jeopardize productivity.
6-SAFETY
Breakdown of an asset may directly or indirectly jeopardize the safety of the
process.

Source: Deloitte