PNC Bank customers experienced zero balances and other account hitches early Friday, according to social media posts.
The Pittsburgh-based bank acknowledged problems.
"We understand that some customers are experiencing degradation with certain services. Our technology teams are engaged and working to restore services as quickly as possible," a spokesperson told ThinkAdvisor by email.
Downdetector, the online platform where consumers can report problems with banks, internet providers and websites, showed a surge in PNC trouble reports, with a spike reaching 294 reports after 7 a.m. EDT. Shortly before 11 a.m., the reports count stood at 52.