According to the Times, the former banking chief was expected to be questioned by FSA investigators at his lawyerâs office over his role in the bankâs decline.
Goodwin left the post after the financial institution was forced to borrow Â£20 billion from the UK government during the credit crisis.
The bank was forced to seek fiscal support from the authorities after it headed up a consortium which successfully acquired Dutch financial services firm ABN Amro.
Simon Morris, a lawyer at CMS Cameron McKenna in London, of Goodwin, told Bloomberg: âThe FSA has got to find some wrongdoing, and they can do that if they think Sir Fred breached the principles of senior management.
âThey could ban him, they could take a fine against him, and it would be an exceedingly high-profile scalp, more so than Johnny Cameron.â
Mr Cameron previously worked as head of RBSâ investment division and was banned by the FSA from working in a senior role within the City earlier in the year.