A320
Flight Crew Last 90 Days 75; Flight Crew Total 20000; Flight Crew Type 10000
Inflight Event / Encounter Wake Vortex Encounter
Flight Crew Regained Aircraft Control; General Physical Injury / Incapacitation
Environment - Non Weather Related; Procedure
In climb out of FL330 encountered significant wake turbulence from B777 6.5 miles ahead of us. Aircraft rolled about 45 degrees left then right and left at less bank during recovery. [We] notified ATC; placed seat belt sign on and seated flight attendants during recovery. No injury or aircraft problem noted at time. After flight one flight attendant notified us she banged her shoulder while taking seat and may report if still bothering her tomorrow for medical advice.
Notified LAX Center immediately and was told we had legal separation. It was fast and violent; Captain as pilot flying did a superb job. We briefed the passengers what happened and answered all questions as they deplaned.
A320 flight crew reported wake vortex encounter in trail of a B777 at FL330 in the LAX area that resulted in sharp roll and a minor flight attendant injury.