Narrative:

Location: J36 at mineo fix. At FL310 we encountered moderate turbulence that caused the aircraft to deviate +400 ft altitude. Deviation was only momentary.

Google
 

Original NASA ASRS Text

Title: TURB CAUSED FOKKER 100 TO CLB ABOVE ASSIGNED CRUISING ALT MOMENTARILY. FLC TURNED OFF AUTOPLT AND RETURNED TO ASSIGNED ALT IMMEDIATELY.

Narrative: LOCATION: J36 AT MINEO FIX. AT FL310 WE ENCOUNTERED MODERATE TURB THAT CAUSED THE ACFT TO DEVIATE +400 FT ALT. DEV WAS ONLY MOMENTARY.

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.