((a)) If a person makes a contract secured by, or on the credit of, a vessel covered by a mortgage filed or recorded under this chapter and sustains a monetary loss because the mortgagor or the master or other individual in charge of the vessel does not comply with a requirement imposed on the mortgagor, master, or individual under this chapter, the mortgagor is liable for the loss.

((b)) A civil action may be brought to recover for losses referred to in subsection (a) of this section. The district courts have original jurisdiction of the action, regardless of the amount in controversy or the citizenship of the parties. If the plaintiff prevails, the court shall award costs and attorney fees to the plaintiff.