The Social Security Administration (SSA) is experiencing a 'record-breaking backlog' of cases, which has resulted in approximately $1.1 billion in improper payments, according to a report by the SSA Office of the Inspector General (OIG). The backlog has led to significant overpayments, including a case where a disability beneficiary was overpaid by about $62,000. The report highlights the challenges faced by the SSA in managing its caseload and ensuring accurate disbursement of payments.