Maintenance Lead Time
Maintenance lead time is the elapsed time from identification or approval of maintenance work until completion or closure.
What this term means in maintenance
Maintenance lead time is the elapsed time from identification or approval of maintenance work until completion or closure.
Lead-time stages
The total may include:
- Request review
- Approval
- Planning
- Waiting for parts
- Scheduling
- Access
- Execution
- Testing
- Closure
Practical example
A defect is approved on 1 June and permanently repaired on 21 June.
Maintenance lead time = 20 days
Stage analysis
Breaking lead time into stages reveals where work waits.
Priority and complexity
Emergency repairs and planned shutdown work require different expectations.
Common mistake
One overall average can hide long waiting time for parts or access.
Related concepts
Related maintenance terms
Keep exploring connected CMMS, reliability, and maintenance planning terms.
Maintenance Notification
A maintenance notification is an initial record used to report an equipment problem, abnormal condition, service need, or required maintenance action before detailed planning begins.
Work Order Closure
Work order closure is the final review and confirmation that maintenance work, documentation, evidence, costs, and required follow-up have been completed.
Maintenance Response Time
Maintenance response time is the elapsed time between reporting or escalation of a maintenance need and the start of the defined response.
Glossary FAQs
- What is maintenance lead time?
Elapsed time from identification or approval to completion or closure.
- What stages may be included?
Review, approval, planning, parts, scheduling, access, execution, testing, and closure.
- Why analyze stages separately?
It reveals where work spends most of its time waiting.