B777 Undifferentiated or Other Model
Flight Crew Air Transport Pilot (ATP)
Flight Crew Type 1446
Inflight Event / Encounter Wake Vortex Encounter
General Physical Injury / Incapacitation
Environment - Non Weather Related
Approaching FL320 in the climb; clear; smooth with seat belt sign off. Experienced probable wake turbulence for approximately 5 seconds. Smooth air immediately before and after event. No airplanes in close proximity that we saw. Called purser; she reported all ok. Later the purser reported that 3 flight attendants were reporting minor injuries; but were able to perform their duties. All were able to complete the flight while performing all normal duties.
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B777 flight crew reported three Flight Attendants were slightly injured in a wake turbulence encounter at FL320 near TNT VOR in England.