48 CFR §225.7013-1

As used in this section— Corrective and preventive maintenance or repair means— Facilities maintenance means the effort required to—

(1) Maintenance or repair actions performed as a result of a failure in order to return or restore equipment to acceptable performance levels; and

(2) Scheduled maintenance or repair actions to prevent or discover functional failures. (1) Provide housekeeping services throughout the ship; (2) Perform coating maintenance and repair to exterior and interior surfaces due to normal environmental conditions; and (3) Clean mechanical spaces, mission zones, and topside spaces.