Citigroup reported the "near miss" to the Federal Reserve and the Office of the Comptroller of the Currency, according to the Financial Times.

Citigroup Inc. erroneously credited $81 trillion to a customer’s account instead of $280 last April before reversing the transaction hours later, according to the Financial Times.

Citigroup (C) mistakenly credited $81 trillion to a customer’s account last year and took hours to reverse the transaction, The Financial Times reports. The bank was supposed to credit just $280.