Maybe, but considering it's not a moving part to wear out, I'm thinking that's not the issue.The beach ball could indicate a faulty hard drive cable.
Thanks for that info! But I'm still not sure this is the reason for my issue as it happens so infrequently. I can't remember if it did this when it was new. Wondering if I should find a replacement cable just in case.A failed hard drive cable is not uncommon for the 2010, 2011, and 2012 13" MBP.