My Tivo Box is a 500GB and My shows says 70%. The strange part is that it only happens once on each recording that is effected and lasts between 30 seconds and two minutes . Its a mixture of freezing, pixilation and jumping back about 30 seconds of so. Sometimes all three things or sometimes it only freezes. When it freezes, I just leave for a few moments and then it ok. Started about 2 months ago.
No worries, from checking the area there is an SNR (signal to noise) issue affecting the service so this is potentially what's happening. F007368782 is the fault number and the estimated fix date is the 11th September 2019.