Failure-Finding Task
A failure-finding task is a scheduled test performed to determine whether a hidden protective, standby, or emergency function is still available.
What this term means in maintenance
A failure-finding task is a scheduled test performed to determine whether a hidden protective, standby, or emergency function is still available.
Purpose of failure finding
Failure-finding tasks do not prevent failure directly. They identify whether a hidden function has already failed.
Examples include:
- Testing a standby pump
- Proving an emergency generator under load
- Testing an alarm
- Checking a safety trip
- Operating an emergency shutdown valve
- Verifying a detector
Practical example
A standby fire-water pump is test-run weekly and load-tested periodically to confirm that it starts, builds pressure, and performs the required function.
Choosing the interval
The interval depends on:
- Failure probability
- Consequence
- Required availability
- Test effectiveness
- Failure detectability
- Regulatory requirements
Recording the result
The task should document:
- Test condition
- Expected result
- Actual result
- Failure details
- Follow-up work
- Restoration status
Common mistake
Recording only that the test was completed without capturing whether the complete protective function actually passed.
Related concepts
Related maintenance terms
Keep exploring connected CMMS, reliability, and maintenance planning terms.
Hidden Failure
A hidden failure is a loss of function that is not evident during normal operation and may remain undetected until another event creates demand.
Preventive Maintenance
Preventive maintenance is planned work performed at defined time, usage, or meter intervals to reduce the likelihood of equipment failure or deterioration.
Inspection Checklist
An inspection checklist is a structured set of checks, readings, questions, and acceptance criteria used to examine equipment or conditions consistently.
Failure-Finding Task FAQs
- What is a failure-finding task?
It is a scheduled test used to confirm whether a hidden function is still available.
- Does failure finding prevent failure?
Not directly. It detects hidden loss of function so restoration can occur.
- What should be recorded for Failure-Finding Task?
Test condition, expected result, actual result, failure details, and follow-up work.