Final answer:
The finding that requires intervention by the nurse is if there is a blockage or kink in the chest tube or the drainage system.
Step-by-step explanation:
The finding that requires intervention by the nurse is if there is a blockage or kink in the chest tube or the drainage system. This can cause a buildup of fluid in the chest cavity, leading to complications such as pneumothorax (collapsed lung) or hemothorax (blood in the chest cavity). The nurse should closely monitor the drainage system for any signs of blockage or kinking, and if detected, take immediate action to correct it.