Narrative:

Training in progress; I was the trainer. Normal traffic; some light chop but not serious enough that anyone is changing altitudes. Aircraft X advises that they have hit a sudden bump of moderate chop; I believe he said 'whacked'; and that they may need to divert. Trainee acknowledges and requests clarification. Meanwhile I call the flm (front line manager) over. Pilot notifies us that a flight attendant may be injured and they are waiting to hear on her condition. When we asked for a more detailed PIREP; pilot described the chop as 'somewhere between moderate and severe' and used the words 'clear air.'at this point nothing is really happening and I am discussing the situation with my trainee while we are taking care of the rest of the sector's traffic and awaiting further updates from aircraft X. He broadcast the PIREP to everyone on frequency and nearby sectors were notified. PIREP was filed through erids (en route information display system); I think that's the right acronym; never can remember that one. Later; aircraft X told us he would continue on course. Nothing was forecast and there were no previous reports in that area.

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Original NASA ASRS Text

Title: ZAU Center controllers reported an A330 encountered a jolt of moderate to severe turbulence that injured a Flight Attendant.

Narrative: Training in progress; I was the trainer. Normal traffic; some light chop but not serious enough that anyone is changing altitudes. Aircraft X advises that they have hit a sudden bump of moderate chop; I believe he said 'whacked'; and that they may need to divert. Trainee acknowledges and requests clarification. Meanwhile I call the FLM (Front Line Manager) over. Pilot notifies us that a flight attendant may be injured and they are waiting to hear on her condition. When we asked for a more detailed PIREP; pilot described the chop as 'somewhere between moderate and severe' and used the words 'clear air.'At this point nothing is really happening and I am discussing the situation with my trainee while we are taking care of the rest of the sector's traffic and awaiting further updates from Aircraft X. He broadcast the PIREP to everyone on frequency and nearby sectors were notified. PIREP was filed through ERIDS (En Route Information Display System); I think that's the right acronym; never can remember that one. Later; Aircraft X told us he would continue on course. Nothing was forecast and there were no previous reports in that area.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.