What should a Flight Attendant do when three chimes are heard?

When three chimes are heard in an aircraft, it signifies an important alert for the crew, typically indicating that the captain is trying to get the attention of the flight attendants for a significant reason. The appropriate action for a flight attendant in response to this alert is to answer the phone immediately. This communication is essential, as it may relate to critical updates about the flight or instructions regarding safety procedures.

In this context, recognizing the meaning behind the chimes is vital for ensuring that the flight attendants can coordinate and respond effectively to any situation that may arise. Responding promptly helps maintain communication between the cockpit and the cabin, which is crucial during both routine and emergent circumstances. Ignoring the chimes or defaulting to routine checks could jeopardize the safety and response time required during emergencies.