Narrative:

While cruising at FL350 over dkk we had a brief encounter with clear air turbulence. Altdevs were 200-300 ft and speed fluctuated 20-30 KTS. Aircraft rolled approximately 30 degrees left. We were in light chop before and after the encounter. The seat belt sign was on and the 3 flight attendants were in the aisle doing their service. There was no chop forecast on the flight plan, the inbound crew reported nice rides, and only light chop was reported ahead at FL350 by ATC. The 3 flight attendants were injured along with 7 passenger. The injuries reported were minor. We continued on to ord. The turbulence was reported to ATC and flight dispatch was advised of injuries and turbulence.

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Original NASA ASRS Text

Title: AN FK10 FLC ENCOUNTERED UNFORECAST CLR AIR TURB AT FL350. THE ACFT ROLLED, DEV FROM ALT, AND VARIED IN SPD BY 20-30 KTS. CABIN ATTENDANTS AND PAX WERE INJURED.

Narrative: WHILE CRUISING AT FL350 OVER DKK WE HAD A BRIEF ENCOUNTER WITH CLR AIR TURB. ALTDEVS WERE 200-300 FT AND SPD FLUCTUATED 20-30 KTS. ACFT ROLLED APPROX 30 DEGS L. WE WERE IN LIGHT CHOP BEFORE AND AFTER THE ENCOUNTER. THE SEAT BELT SIGN WAS ON AND THE 3 FLT ATTENDANTS WERE IN THE AISLE DOING THEIR SVC. THERE WAS NO CHOP FORECAST ON THE FLT PLAN, THE INBOUND CREW RPTED NICE RIDES, AND ONLY LIGHT CHOP WAS RPTED AHEAD AT FL350 BY ATC. THE 3 FLT ATTENDANTS WERE INJURED ALONG WITH 7 PAX. THE INJURIES RPTED WERE MINOR. WE CONTINUED ON TO ORD. THE TURB WAS RPTED TO ATC AND FLT DISPATCH WAS ADVISED OF INJURIES AND TURB.

Data retrieved from NASA's ASRS site as of July 2007 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.