Be At Pains -

: Describe exactly what you saw and heard without including personal opinions or guesses.

When you are "at pains" to ensure an incident report is accurate and professional: be at pains

If you need to make a report with this level of care—whether it is for a medical issue, a workplace incident, or a formal complaint—you should focus on precision and factual clarity. Reporting Medical Pain : Describe exactly what you saw and heard