3109. While your vessel is fueling, you notice that the transfer hose has developed a large bulge. Which of the following actions should be taken, according to Coast Guard Regulations (33 CFR), if you are the person-in-charge?

A bulging fuel hose indicates a serious defect requiring immediate action. The person-in-charge must stop the fuel transfer according to Coast Guard regulations (33 CFR) to prevent potential hose failure or rupture. Temporary repairs or delayed replacement are unacceptable; the transfer must cease until the defective hose is replaced or properly repaired.