Narrative:

After takeoff from fxe, departure gave us a heading to intercept the thndr transition. After we started to turn, ATC advised that we were not proceeding to thndr and gave us a turn back to the west. When we rechked our FMS, we discovered we had the FMS set for the arkes transition in error.

Google
 

Original NASA ASRS Text

Title: A CPR LR55 FLC PROGRAMMED THE WRONG DEP SID IN THE FMC AND WHEN TOLD TO INTERCEPT THE TRANSITION THEY TURNED TOWARD THE WRONG FIX.

Narrative: AFTER TKOF FROM FXE, DEP GAVE US A HDG TO INTERCEPT THE THNDR TRANSITION. AFTER WE STARTED TO TURN, ATC ADVISED THAT WE WERE NOT PROCEEDING TO THNDR AND GAVE US A TURN BACK TO THE W. WHEN WE RECHKED OUR FMS, WE DISCOVERED WE HAD THE FMS SET FOR THE ARKES TRANSITION IN ERROR.

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.