As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED A LEFT ENGINE OIL LOW PRESSURE WARNING MESSAGE ON CLIMB OUT, BOTH OIL TEMP AND PRESSURE WERE STILL IN THE GREEN, RETURNED TO FIELD. ON APPROACH THE PRESSURE WENT INTO THE RED, SHUT DOWN THE LEFT ENGINE. (FLT 5069) FO: 08/31/2018 CLOSED. R&R NR 1 CARBON SEAL IAW AMM. PERFORMED OPS CHECK OF THE #1 IDG IAW AMM. OPS CHECK GOOD AT THIS TIME. NO LEAKS NOTED.