What was found
ON THE LEFT ENGINE, ERRATIC SURGING TORQUE INDICATIONS CLIMBING THRU 15,000FT WITH ACCOMPANYING BURNT PACK SMELL. (FLT 6387) REPLACED LEFT ENGINE HMU, FUEL PUMP PACK, AND LEFT EEC ALARM RELAY IN REFERENCE TO EMB MM. P/N: 3117095-01 S/N OFF: 2911; P/N: 786390-16 S/N OFF: M80397.