Final answer:
The action by the newly licensed nurse that requires intervention by the charge nurse is instilling air into the NG tube.
Step-by-step explanation:
The action by the newly licensed nurse that requires intervention by the charge nurse is option A. Instilling 100mL of air into the NG tube after checking for residual.
Instilling air into the NG tube can cause harm and is not part of the sterile field preparation for a dressing change. Air should never be instilled into the NG tube as it can lead to complications such as pneumothorax.