Glossary of Terms
Practical maintenance terms, CMMS language, reliability abbreviations, and plant maintenance definitions in one place.
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399 terms shown
Failure Reporting, Analysis and Corrective Action System
FRACAS is a closed-loop process for recording failures, analyzing causes, assigning corrective actions, and verifying that reliability improves.
Failure Symptom
A failure symptom is an observable sign that equipment condition or performance has become abnormal.
Failure-Finding Task
A failure-finding task is a scheduled test performed to determine whether a hidden protective, standby, or emergency function is still available.
Fault Detection and Diagnostics
Fault Detection and Diagnostics is the process of identifying abnormal equipment behavior and determining the likely fault or affected component.
Fault Tree Analysis
Fault tree analysis is a deductive method that starts with an unwanted event and maps the combinations of equipment, process, control, or human failures that could cause it.
First-Time Fix Rate
First-Time Fix Rate is the percentage of repair jobs resolved during the first maintenance intervention without requiring repeat work for the same problem.
Fishbone Diagram
A fishbone diagram is a cause-and-effect analysis tool used to organize possible causes of a problem into logical categories before evidence is used to confirm the real causes.
Follow-Up Work Order
A follow-up work order is additional maintenance created from findings, temporary repair, incomplete scope, or another completed work order.
Food Safety Maintenance
Food safety maintenance is the planning and execution of maintenance work so equipment remains hygienic, functional, and unable to contaminate food.
Frozen Maintenance Schedule
A frozen maintenance schedule is the committed work plan after an agreed cut-off point, against which execution and schedule compliance are measured.
Functional Failure
A functional failure occurs when an asset or system can no longer perform a required function to the specified performance standard.
Functional Location
A functional location is a structured position in a plant or facility where a technical function is performed, regardless of which specific asset is installed there.
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