Obey the safety precautions when you do work with high voltages.

Operate the engine at 100% thrust.

Slowly turn the vane.

Apply sealant on the outer surface.

Find the damaged areas.

Make sure that the pipe is not clogged.

Replace the defective pump.

Deflate the tire.

Make sure that the cabin pressure stays constant.

Compare the two indications.

Find the source of the fuel leakage.