Narrative:

Enroute wake turbulence at FL340. 767-300 12 miles ahead and 2000 ft higher. Crew monitored assigned speed/altitude and descended out of it after ATC clearance.

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Original NASA ASRS Text

Title: B757 First Officer reported encountering wake turbulence at FL340 12 miles in trail of a B767-300 at FL360.

Narrative: Enroute wake turbulence at FL340. 767-300 12 miles ahead and 2000 ft higher. Crew monitored assigned speed/altitude and descended out of it after ATC clearance.

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.