Latest hot poop from Airbus summarised:
Aicraft was stable and on correct profile.
TL1 was selected to idle but TL2 remained in clim detent.
After touchdown TL1 selected to REV and A/THR disconnects as per design.
TL2 remains in CLB and ENG2 EPR is fixed at value it was at the time of A/THR disconnection, approx 1.2 EPR (a typical approach setting).
Spoilers fail to deploy and autobrake not activated.
Manual braking commenced after 11 secs and aircraft departed the runwa at approx 100kts.