Possible Clues:

• Debit balance in bank account
• For you, in the red
• Too stupid to cross river, having bad position at bank
• Facility offering support when brass is depleted?
• Account deficit above 500 -- large amount
• Port's beginning to drop floating structure, causing a financial problem
• New advert for bank loan of sorts
• Misleading advert for banking facility
• Bank account woe
• Amount owed concerning doctor at the back