Reliability and Maintenance Management

Writing Good Maintenance Work Orders

What a useful maintenance work order records before, during and after a job, with examples of vague versus clear wording and tips for better closeout notes.

On this page
  1. Why the wording matters
  2. Before the work: the request
  3. Planning the job
  4. During and after: the closeout
  5. Failure and cause codes
  6. Common problems
  7. Habits that help

Why the wording matters

A work order is more than an instruction to do a job. It is also a record that someone may read months or years later, trying to understand why a machine keeps failing or what was done last time. A vague entry such as “pump broken, fixed” gives that future reader almost nothing. A clear one saves time, supports better decisions and makes the maintenance history something people can trust.

Work order quality is rarely about long writing. It is about including the few facts that make the job understandable, safe and traceable.

Before the work: the request

The request is often written by an operator or supervisor who sees the symptom but not the cause. Useful requests describe what was observed rather than guessing at a fix.

A request is more helpful when it states:

  • Which equipment, using the official identifier or tag, not “the machine by the door.”
  • What was seen, heard or measured, such as a leak, a noise, a rise in temperature or a trip, and where.
  • When and under what conditions it happens: at start-up, under load, intermittently or constantly.
  • Current status: is the equipment running, running in a reduced way, or stopped?
  • Any immediate hazard noticed, so that it can be prioritized appropriately.

Compare these two requests for the same hypothetical situation.

  • Vague: “Fan noisy.”
  • Clearer: “Supply fan on Line 2, tag as shown on the data plate, grinding noise from the motor end that started this shift. Runs normally otherwise. Noise louder at full speed.”

The second does not diagnose anything, but it gives the planner enough to set a priority and the technician enough to prepare.

Planning the job

A planner or supervisor usually turns a request into an actionable order. A good planned work order often includes:

  • a clear job description with a defined scope, so that it is obvious when the job is finished
  • the steps or a reference to the procedure, manufacturer’s manual or checklist to follow
  • the parts, materials and special tools needed, ideally reserved in advance
  • an estimate of the skills and time needed
  • safety requirements, such as lockout tagout steps in general terms, permits, or personal protective equipment, as required by site rules and local regulations
  • the priority, set by a consistent method that takes the equipment’s importance and the risk into account

Planning in advance reduces wasted trips to the storeroom and waiting on parts. It is one reason planned work tends to be more efficient than work done in a hurry.

During and after: the closeout

Closeout is where many work orders fall short, and where much of the long-term value lies. Technicians are often busy and moving to the next job, so it helps if the system makes the key points quick to record.

A good closeout typically states:

  • What was found. The condition of the parts, not only the action taken.
  • What was done. Specific actions, including replacements and adjustments.
  • What was used. Parts, materials and any measurements taken, such as readings before and after.
  • Time spent, and whether the job is fully complete.
  • Follow-up needed. If something else was noticed, such as a worn coupling or a loose guard, it should be recorded and raised as a new request instead of hidden in a comment.
  • Whether the equipment was tested and returned to service as intended.

Compare closeouts for the same hypothetical job.

  • Vague: “Replaced bearing. OK.”
  • Clearer: “Found drive-end bearing running rough with discoloration on the shaft. Replaced the bearing and seal, checked shaft for wear, regreased per procedure, rechecked alignment, ran for 30 minutes with no abnormal noise. Recommend checking the coupling at next planned stop.”

The second version would help a later analyst who is looking at bearing wear patterns across several machines.

Failure and cause codes

If the system supports it, a short list of standard codes for the problem, the cause and the action taken makes trends visible. Free text is flexible but difficult to count. Codes work best when:

  • the list is short enough that people actually pick the right one
  • the meanings are clear and shared
  • there is always an option for “other,” with a note

Codes should support, not replace, a sentence or two of description. If they are used consistently, they make it much easier to calculate maintenance metrics and to prepare for a root cause analysis after a breakdown.

Common problems

  • Placeholders. Entries like “done” or “see above” tell the reader nothing.
  • Mixing jobs. Combining several unrelated tasks in one order makes the history confusing and hides the time spent on each.
  • Recording the wrong asset. Work logged against a general or wrong equipment number breaks the equipment history.
  • No feedback loop. If technicians never see their notes used, entries tend to get shorter over time.
  • Overlong forms. Requiring many fields for a simple task encourages shortcuts.

Habits that help

  • Agree on a few basic standards for what a request and a closeout must contain, and share examples of good ones.
  • Have planners review closed orders now and then and give gentle feedback.
  • Make closeout part of finishing the job, not an optional extra.
  • Keep the process light enough that people can complete it on the floor.
  • Review the history occasionally for repeat problems, and act on what it shows.

Good work orders are a modest habit with a large payoff. They turn each repair into information that the next person, and the next decision, can use.

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