Once arming and cross-checking the doors is complete, what is the next step for the "A" FA?

The next step for the "A" Flight Attendant after arming and cross-checking the doors is to visually cross-check the opposite door and confirm with the "C" Flight Attendant. This procedure is crucial for ensuring the safety of all passengers and crew on board. By verifying that the opposite door is also armed correctly, the "A" FA helps to maintain the overall integrity of the cabin's safety measures. This cross-checking process acts as a double-check system to prevent any oversight during the critical phases of pre-departure safety checks.

Completing this step is essential as it ensures that both doors are properly armed before takeoff, aligning with Southwest Airlines' commitment to safety and thoroughness in operational procedures. This collaborative action between flight attendants strengthens communication among crew members, fostering a safety-first culture.

The other options, while important in the overall flight process, occur at different stages. Preparing the service cart, conducting a safety demonstration, or completing a final headcount are important tasks but are not the immediate next actions following the arm and cross-check of the doors. Prioritizing the visual cross-checking ensures that safety protocols are upheld before the flight progresses into other service-related activities.