As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG NR 1 SHUTDOWN IN FLIGHT, NO ASSOCIATED EICAS MESSAGES ILLUMINATED BEFORE SHUTDOWN. THRUST LEVERS WERE ABOVE IDLE AT APPROXIMATELY 80%. RAN QRH, TRIED TO RELIGHT. ENG RELIT FOR 15-20 SECONDS THEN GOT LOW OIL PRESSURE RED WARNING. DID PRECAUTIONARY SHUTDOWN. ENG WAS SHUTDOWN FOR APPROXIMATELY 15 MINUTES. REF W/O 127068 FOR WORK PERFORMED CLEANED BROWN HARNESS AND T2 SENSOR. R&R RT ENGINE BROWN HARNESS IAW AMM 73-21. OPS CHECK GOOD. REMOVED PLACARD & MEL.