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.
What this term means in maintenance
First-Time Fix Rate is the percentage of repair jobs resolved during the first maintenance intervention without requiring repeat work for the same problem.
First-Time Fix Rate formula
First-Time Fix Rate = Repairs completed without repeat intervention ÷ Total eligible repair jobs × 100
Practical example
A team completes 80 eligible repair jobs. Sixty-eight do not require a repeat visit for the same issue within the agreed review period.
First-Time Fix Rate = 68 ÷ 80 × 100 = 85%
Defining an eligible repair
The organization should define:
- Which work types are included
- The review period
- What counts as the same problem
- How planned follow-up work is treated
- How temporary repairs are treated
- Whether contractor work is included
What the metric can reveal
Low First-Time Fix Rate may indicate:
- Poor diagnosis
- Missing parts
- Incomplete job plans
- Insufficient skills
- Temporary repairs
- Weak testing
- Incorrect failure information
Important limitation
A high rate should not encourage technicians to avoid necessary follow-up work or close jobs prematurely.
Common mistake
Counting every closed work order as fixed on the first visit hides repeat failures and linked corrective work.
How this term differs
First-Time Fix Rate is the rate of eligible repairs resolved without repeat intervention. It is related to Repeat Work Percentage, Repeat Failure, and Chronic Failure, but these terms describe different records, measures, roles, strategies, or decisions and should not be used interchangeably.
Related concepts
Related maintenance terms
Keep exploring connected CMMS, reliability, and maintenance planning terms.
Mean Time to Repair
Mean Time to Repair, or MTTR, is the average time required to restore a repairable asset after failure.
Corrective Maintenance
Corrective maintenance is work performed to restore an asset after a defect, abnormal condition, or failure has been identified.
Work Order
A work order is an authorized record that defines maintenance work to be performed, including the asset, priority, scope, assignee, instructions, labor, parts, status, and completion evidence.
Glossary FAQs
- What is the First-Time Fix Rate formula?
Divide eligible repair jobs resolved without repeat intervention by total eligible repair jobs, then multiply by 100.
- What counts as a repeat intervention?
The organization should define the review period and what qualifies as the same failure or unresolved problem.
- How can First-Time Fix Rate be improved?
Improve diagnosis, parts availability, job plans, technician skills, testing, failure information, and completion quality.