I found this IRS page to be a good place to start reading all of the options for delinquent information filings and to decide which "Offshore Compliance Option" applies:
https://www.irs.gov/individuals/international-taxpayers/delinquent-international-information-return-...
If there is no criminal aspect ("willful failure") and no back taxes to report and pay, you may be able to use the Delinquent FBAR Submission Procedures to resolve delinquent FBARs:
https://www.irs.gov/individuals/international-taxpayers/delinquent-fbar-submission-procedures
