It has been suspected for some time that unscheduled outages of National Airspace System equipment increase during core working hours; to date, however, no research has been done to determine their cause. First, aggregate trends in scheduled periodic maintenance (PM) activities and unscheduled outages are examined for calendar years 2000 through 2004. The reported increase in unscheduled outages is postulated to be due to increased levels of maintenance activities that may occur during this period. A detailed analysis is presented, and the individual pieces of equipment that suffer unscheduled outages after receiving PM are examined. If PM activities have an effect on unscheduled outages, then higher levels of unscheduled outages would be expected to occur in the first hours after the completion of a PM task. Further data analysis shows evidence for this hypothesis.
Does Periodic Maintenance Cause Unscheduled Outages?
Investigation of National Airspace System Equipment Outages
Transportation Research Record: Journal of the Transportation Research Board
Transportation Research Record: Journal of the Transportation Research Board ; 1951 , 1 ; 98-103
2006-01-01
Article (Journal)
Electronic Resource
English
British Library Conference Proceedings | 2006
|Transportation Research Record | 2006
|The Redundancy of Scheduled and Unscheduled Maintenance
NTIS | 1979
|Smart EMA: An approach to avoid unscheduled maintenance
AIAA | 2005
|