391 is out of mod and re-entering service on 28th. 375 is up next.
Looks like 375 is finished, although it had an engine fire on landing during its PAE->SEA ferry flight.
There's some videos taken by passengers floating around, and from HA twitter:
UPDATE: An A330 ferry flight from PAE to SEA experienced a left engine issue on final approach at SEA tonight. A left engine fire reported upon landing was extinguished. There were no passengers onboard, and the two pilots were unharmed. The aircraft is currently being inspected.