Contain first, investigate second
Make the food safe and stop the immediate problem before anyone starts asking why.
The batch is and the fridge is empty before the team sits down. Nobody is doing analysis while food keeps going out.
A long discussion about the cause goes on while the suspect batch keeps being served.
lists bringing the process back into control and isolating product ahead of identifying the cause. Containment is usually a fast decision, and the analysis can take longer.