The footage was all shot DVCPro 100 to tape.
This is the area that FCP tends to get frustrating for me due to there being a myriad of possible settings. I created a project and then brought in the footage and when I then started bringing clips into my timeline FCP prompted me to change the timeline settings to match the footage. And so that’s what I did.
So my timeline settings are set for an editing timebase of 23.98 and with a compressor setting of DVCPro720P60.
Is it the timeline settings that are causing the mismatch?