Maybe. Did you have any federal withholding from your retirement fund? If so, you may want to file in order to get that back.
Please read this TurboTax FAQ for more information about whether you need to file a tax return: https://ttlc.intuit.com/replies/3302274
Please read this TurboTax FAQ for more information about whether your Social Security is taxable: https://ttlc.intuit.com/replies/3299920
