Final answer:
The fuels flight-line expediter is not responsible for inspecting fuel storage tanks for leaks.
Step-by-step explanation:
The correct answer is option 3) Inspecting fuel storage tanks for leaks. The fuel flight-line expediter is responsible for coordinating the delivery of fuel to aircraft, monitoring fuel levels and ordering refills, and operating aircraft fueling equipment.
However, inspecting fuel storage tanks for leaks is not a duty of the fuels flight-line expediter. This duty typically falls under the responsibility of maintenance personnel or specialized technicians.