What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS AT CRUISE FL 320 INITIAL INDICATION ENG #2 SENSOR AND ENG #2 FADEC B ECAM. A FEW SECONDS LATER AUTO-THRUST DISCONNECTED. NEXT ECAM START VALVE #2 NOT CLOSED. NEXT ENG SURGE -PULLED BACK TO IDLE, DECLARED EMERGENCY AND DIVERTED TO KBNA. #2 ENG REMAINED AT IDLE REST OF FLT. ALL ECAM PROCEDURES WERE FOLLOWED. MAINTENANCE REPORTS IAW TSM 71-00-00-810-809A, EXAMINED #2 ENGINE FOR FOD OR DAMAGE, NONE NOTED. PERFORMED BORESCOPE. READ AND DISTRIBUTED FAULT CODES FROM #2 ENGINE FADEC CHANNELS 2A AND 2B. REMOVED AND INSTALLED SERVICEABLE EEC IAW AMM 73-22-34-400-010A. OPS TEST OF EEC GOOD, NO FAULTS NOTED. IDLE ENGINE RUN AND HIGH POWER ASSURANCE RUN ACCOMPLISHED IAW AMM 71-00-00-710-013C. NO FAULTS NOTED, NO UNUSUAL INDICATIONS, OK FOR SERVICE.