B737 Next Generation Undifferentiated
Flight Crew Air Transport Pilot (ATP)
Flight Crew Type 2985
Inflight Event / Encounter Wake Vortex Encounter
Flight Crew Took Evasive Action
Procedure; Environment - Non Weather Related
Spaced to join HLYWD arrival 9.5 miles behind A330 in no wind conditions. Not notified of type until experiencing moderate wake turbulence. Slowed and climbed above flight path but still was rolled into 45 degrees of bank in the process.
B737 Captain reported the aircraft rolled into a 45-degree bank after encountering wake turbulence 9.5 miles in trail of an A330 on arrival into LAX.