What was found
BOI - ELEVATOR ASYMMETRY CAUTION LIGHT ILLUMINATED IAS ABOVE 185 KTS. RETURNED TO THE FIELD. LANDING UNEVENTFUL. ON LANDING IN BOISE CAUTION LIGHT EXTINGUISHED. C/W FIM TASK 27-30-00-810-801 ELEVATOR ASYMMETRY CAUTION FAULT ISOLATION FOUND CODE ELEV ASSYM FAILURE STATUS MSG, CLEARED PER FIM. FAULT DID NOT RE-OCCUR. C/W OPERATIONAL TEST OF THE FCECU PER TASK 27-00-01-710-802, OPS CHECK GOOD. NO DEFECTS NOTED A/C OK'D FOR SERVICE. FAULTS DID NOT RE-OCCUR IN CDS. NO PARTS REPLACED.