Missing part of Alaska Airlines plane is found in Portland, NTSB says, as new details emerge
From the link...
...“There is nothing on the cockpit voice recorder,” she said, noting the maintenance team went out to get the recorder around the two-hour mark when the devices begin a new recording cycle...
Right at the 2 hour mark...
How convenient...
For folks wondering how the heck this could happen, see my above link.
The 2 hour recording time is something well known and, to my mind, there’s no good reason for it.