What was found
FLT 4780 - LAX - ON APPROACH LEFT ENGINE BEGAN SURGING, POWER WAS PULLED BACK, TORQUE AND EGT DROPPED RAPIDLY. CREW PERFORMED ENGINE SHUTDOWN. MAINTENANCE REPLACED LEFT ENGINE. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 4780 - LAX - ON APPROACH LEFT ENGINE BEGAN SURGING, POWER WAS PULLED BACK, TORQUE AND EGT DROPPED RAPIDLY. CREW PERFORMED ENGINE SHUTDOWN. MAINTENANCE REPLACED LEFT ENGINE. (M)