What was found
ON APPROACH, LEFT ENGINE EXPERIENCED A SEVERE POWER LOSS. TRIPLE CHIME ''ENGINE CONTROL'' AND WHITE ''MANUAL'' LIGHT ILLUMINATED. INITIATED A GO-AROUND TO AVOID TERRAIN CONTACT. ON GO-AROUND, REGAINED SOME POWER ON LEFT ENGINE. BROUGHT POWER BACK TO LEVEL OFF AND LEFT ENGINE AUTO-FEATHERED. POSSIBLE OVER-TORQUE OF LEFT ENGINE. BROUGHT LEFT POWER LEVER TO FLT-IDLE. ENGINE APPEARED HEALTHY. RESET AUTO-FEATHER; LANDED NORMALLY. DOWNLOADED FDAU. RIGHT ENGINE RECORDED EXCEEDANCE. RIGHT TORQUE MAX 112 PERCENT EXCEEDANCE (AVERAGE 111.5 PERCENT) FOR 007 SECONDS. MAX T6 TEMP 769 DEGREES. RAN BOTH ENGINES ON GROUND PER EMB MM 71-00-00. ALL PROCEDURES REF. MM 61-00-00. RIGHT ENGINE EXCEEDANCES WITHIN LIMITS