metal shavings in transmission fluid? on 2006 Kia Spectra

When the mechanic shows you metal shavings in the transmission fluid, is this a real problem?

Asked by for the 2006 Kia Spectra
Kia has a Technical Service Bulletin (TSB) regarding Automatic transmission Problems. Reference number : General KT2005022530, Date of Issue : May 01,2006. Contact your local Kia Dealer for a Diagnostic Worksheet under General TSB number. Metal shavings in your transmission oil indicate worn internal metal components.