A maintenance log and shift handover should reinforce each other.
In many factories, Closed work belongs in history; open work must remain visible as an active risk. The result is a record that exists for compliance or habit but contributes very little to faster troubleshooting or better reliability.
Chapter focus: Turn this topic into a repeatable logging habit that survives shift pressure and creates usable history.
Separate closed and open work
Closed work belongs in history; open work must remain visible as an active risk. The weakness is easy to miss on the day of the repair because everyone still remembers the context. Weeks later the memory is gone, and the record has to stand on its own.
Consider this situation: Mixing them in one narrative causes unfinished problems to disappear. A stronger habit is to Use a dedicated open-items section with owner and next action. This gives another technician a usable starting point and gives the team information that can be compared across repeated events.
State current machine condition
The next shift needs to know whether the machine is normal, degraded, bypassed, under observation, or stopped. When this is not documented well, the maintenance team often pays twice: once during the original breakdown and again when the same failure returns.
Imagine that “Running now” is not enough if a temporary jumper or reduced speed remains. The response is to Record operational limits explicitly. The objective is not a diary of every movement; it is enough evidence to understand the state, the reasoning, and the decision that followed.
Practical check: Look at three recent records related to state current machine condition. Can a different technician understand the facts without asking the original author? If not, identify the one missing field or wording rule that would fix the problem.
List tests already performed
Handover value comes from preventing repetition. Good maintenance records are designed around reproducibility. Another competent person should be able to understand what was observed, what was tested, and why the final action made sense.
A useful example is this: Summarize the diagnostic path and ruled-out causes. Make the rule explicit: Do not make the next technician reverse-engineer your thought process from part replacements. Once the team applies the same rule consistently, search, handover, and reliability analysis become much easier.
Field Example
Suppose a filling line stops with a jam at transfer. The weak record says only that the machine stopped and was reset. A useful record identifies the asset, captures the first alarm or physical symptom, states the decisive checks, records the confirmed or suspected cause, describes the action, and explains how normal operation was verified. If the cause is not known, the record lists what was ruled out and leaves a visible follow-up rather than inventing certainty.
This style of entry pays for itself when the event returns. The next technician can compare the new symptom with the previous evidence, confirm whether conditions match, and skip checks that were already shown to be irrelevant. For supervisors and engineers, the same structured fields make the event countable and comparable. One short, disciplined record therefore supports troubleshooting, handover, analysis, and improvement at the same time.
Chapter Action Checklist
• Review the current practice related to separate closed and open work.
• Choose one wording or field standard from this chapter and pilot it this week.
• Find one recent record that would have been easier to troubleshoot with better evidence.
• Agree how this information will be reviewed or analyzed, not merely stored.
Figure. A useful handover shows what remains open and prevents duplicate troubleshooting.