What a work order is
A maintenance work order is the authorised instruction to carry out a defined maintenance job on a defined asset. It is the single record that answers, for one repair: what needs doing and why, on which machine, by whom, using which spares, taking how long, and at what cost. It exists from the moment the need is raised until the job is closed — and while it lives, it accumulates everything that happens to the asset during that job.
In a CMMS, the work order is not a paper slip that gets lost; it is a document in the system, linked to the asset, carrying its own status and history. That single idea — the work order as a linked, tracked record rather than a scrap of paper — is what turns maintenance from anecdote into evidence. For where it sits in the wider system, see the pillar, what is CMMS software.
Work order vs job card
People use "work order" and "job card" interchangeably, but they are two faces of the same job. The work order is the management and authorisation record — the approval, the asset, the assignment, the cost, the status. The job card is the technician-facing work sheet — the tasks and checklist, the readings, the labour time, the spares used at the machine. On a shared document engine they are the same underlying record viewed for different purposes, so nothing is re-keyed and the two never drift out of sync. The planner sees the work order; the fitter sees the job card; both are looking at one document.
The six stages, in detail
Whether it starts as a breakdown or a preventive task, a work order moves through the same lifecycle. Here it is, stage by stage.
Notice that stages 1 and 2 differ by origin but converge immediately. A breakdown is reported by a production supervisor and the downtime clock starts at once; a preventive job is generated when its schedule falls due and appears on a PM-due list. From stage 3 onward — assign, repair, spares, close — the flow is identical, which is why one work order engine can carry both kinds of work.
Status history and audit trail
What makes a CMMS work order more than a digital form is the status history that travels with it. Every state the work order passes through — Draft, In-Progress, Completed, Closed — is recorded with who moved it and when. Layered underneath is the audit trail: every change to the record itself is logged. Together they answer the questions an auditor, a customer or your own management will eventually ask: what was done, when, by whom, against which work permit, and what was replaced?
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Spares against the work order
Stage 5 is where maintenance and stores meet, and doing it properly is what makes cost figures honest. When a technician needs a part, it is issued from stores against the specific work order. The issue decrements stock and attaches the spare's cost to that job — so consumption is tied to the asset and the repair, not lost in a general stores figure. Because each asset carries a spare bill of materials, the work order already knows which spares fit the machine and whether they are on hand.
If a required spare is not in stock, a maintenance purchase can be raised to procure it — the same connection that lets a reorder alert flow through to Fast Inventory & Purchase. This is also the discipline that keeps MTTR honest: the biggest reason a work order sits open is a part that has not arrived, and the spare BoM plus reorder levels are what stop that from happening. For the wider treatment, see preventive vs breakdown maintenance.
Preventive vs breakdown work orders
The two origins of a work order differ in a few important ways once you look closely.
| Aspect | Breakdown work order | Preventive work order |
|---|---|---|
| Origin | Reported failure — reactive | Schedule falls due — planned |
| Downtime clock | Starts on report | Usually done in a planned window |
| Content | Fault, root cause, repair actions | Checklist tasks, readings, permit |
| Not-OK finding | Is the failure itself | Can spawn a corrective work order |
| Feeds | MTTR, downtime, breakdown frequency | PM compliance, MTBF over time |
| Lifecycle | Identical from assign to close — one engine, two triggers | |
What the closed work order feeds
Closing a work order is not the end of its usefulness — it is where its data goes to work. On closure, the job joins the asset's maintenance history and updates its reliability numbers. A breakdown work order, with its downtime timestamps, feeds MTTR and breakdown frequency; a preventive one feeds PM compliance — planned versus completed — and, over time, a rising MTBF. Labour and spare cost roll up per asset, so maintenance spend becomes attributable.
This is the quiet payoff of doing the process properly: every closed work order makes the dashboards a little truer. The reliability metrics a plant head watches are not entered by hand — they are the arithmetic of thousands of well-closed work orders. Skip the discipline at the work-order level and the KPIs above are fiction; keep it and they become a management instrument.
How Fast Maintenance runs it
Fast Maintenance Software runs the work order on the shared Fast Suite document engine — the same header-plus-lines record with a status history that drives tickets across the platform — so maintenance inherits the platform's audit trail, approvals and reporting for free:
The same lifecycle serves manufacturing plants, facilities and utilities and equipment and fleet operators, cloud or on-premise. To see how the whole system fits together end to end, read how CMMS software works.
Frequently asked questions
What is a maintenance work order?
A maintenance work order is the authorised instruction to carry out a defined maintenance job on a defined asset. It records what needs doing and why, the asset it applies to, the technician assigned, the tasks or checklist, the labour time spent, the spares consumed, any external service, and the resulting cost — tracked from the moment it is raised, through in-progress, to completed and closed. The technician-facing version of that record is often called a job card. In a CMMS the work order is a document that carries all of this as one linked record with a status history.
What are the steps in the maintenance work order process?
The maintenance work order process runs through six stages: (1) request or trigger — a breakdown is reported or a preventive schedule falls due; (2) create and authorise the work order against the asset; (3) assign a technician and move it to in-progress; (4) diagnose and repair, recording fault, root cause and actions; (5) issue spares from stores against the work order and capture downtime, labour and cost; and (6) close the work order — completed then closed — updating the asset's maintenance history and its MTTR/MTBF. Every transition is written to a status history and audit trail.
What is the difference between a work order and a job card?
They are two faces of the same maintenance job. The work order is the authorised instruction and the management record — it holds the approval, the asset, the assignment, the cost and the status. The job card is the technician-facing work sheet — the tasks, checklist, readings, labour time and spares used at the machine. In a CMMS built on a shared document engine they are the same underlying document viewed for different purposes, so nothing is re-keyed and both stay in sync.
Why is a status history and audit trail important on a work order?
The status history shows every state a work order passed through — raised, assigned, in-progress, completed, closed — with who did what and when. The audit trail records every change to the record. Together they make maintenance traceable and defensible: you can prove what was done, by whom, against which work permit, and what was replaced. That is exactly the evidence an ISO 9001 or IATF 16949 auditor expects, and it only exists if the steps are captured as the work happens rather than reconstructed from memory afterwards.
How are spare parts linked to a work order?
When a technician needs a part, it is issued from stores against the specific work order — the issue decrements stock and attaches the spare's cost to that job. Because each asset carries a spare bill of materials, the work order already knows which spares fit the machine and whether they are in stock. If a required spare is not available, a maintenance purchase can be raised to procure it. Issuing spares against the work order is what makes per-asset spare consumption and maintenance cost accurate.