Here is information about how you can find our more about the 60 day review:
https://ttlc.intuit.com/community/after-you-file/discussion/refund-being-held-up-to-60-days/01/295723#M57968
I got the 60 day review letter and I'm well over the 60 days and I haven't received anything after the first letter what should i do??
The 9th was 60 days for me and nothing. Can’t call in, either.