Differentiating Between Types of Deficiencies

You might investigate the reason for the 24-minute delay from when the food was ready to eat to the time dinner was served.

You might also investigate whether the food was actually cold.

Things to Consider

Is there a pattern of meals being delayed at this time of day?

Possible discrete problem

Are meals delayed at other times during the day?

Possible systemic problem

Was this an isolated situation caused by unusual circumstances?

Possible discrete problem

If there is a pattern of delayed meals, you may ask how could present systems be modified or how new systems be implemented to correct the problem.