Mean Time Between Essential Maintenance Actions (MTBEMA). For a particular measurement interval, the total number of system life units (hour, mile, round, etc.) divided by the total number of nondeferrable maintenance actions. This parameter indicates the frequency of demand for essential maintenance support and includes incidents caused by accidents, maintenance errors, and item abuse. (Not included are crew maintenance completed within a specified number of minutes, maintenance deferrable to the next scheduled maintenance, system modification, and test-peculiar maintenance.)
Appears in 2 contracts
Mean Time Between Essential Maintenance Actions (MTBEMA). For a particular measurement interval, the total number of system life units (hour, mile, round, etc.) divided by the total number of nondeferrable non-deferrable maintenance actions. This parameter indicates the frequency of demand for essential maintenance support and includes incidents caused by accidents, maintenance errors, and item abuse. (Not included are crew maintenance completed within a specified number of minutes, maintenance deferrable to the next scheduled maintenance, system modification, and test-peculiar maintenance.)
Appears in 2 contracts
