As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) SER - LH ENG OPER DEGRADED CAUTION L ENG DEGRADED CAUTION DURING CRUISE. N1 WAS SPOOLING DOWN. AUTO RELIGHT STARTED. N1 NORMAL AGAIN. NORMAL INDICATION FOR THR REST OF THE FLIGHT. FIELD TEAM GOING TO MADRID EEC DOWNLOAD REQUESTED P&W ENGAGED AND ACTION PLAN IS REQUESTED. (TC# 20190521013)