Or it could just have been heading changes from ATC. THis is not uncommon (at least to me) and I often think it must make the passengers wonder what is going on. Quite often we get something like:
"Turn left heading 120"
"Sorry change of plan turn right heading 170"
Or even sometimes when changing frequency to another ATC unit, on leaving the first one they will tell us to resume our own navigation to XYZ which might be a left turn, then on contacting the next unit we are told to turn right back to the original heading.