As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT, HEARD LOUD BANG ON LEFT SIDE OF A/C. THE LEFT ENGINE HAD TEMP ROLLBACK THEN ALL ENGINE INDICATION RETURNED TO NORMAL. THE FLT ATTENDANTS SAW A YELLOW FLASH DOWN THE LEFT SIDE OF THE A/C. INSPECTED AND RUN TESTED ENGINE. REPLACED EEC.