As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE LOW PRESS LIGHT ILLUM, LT ENG OIL QTY AT ZERO, PRESS STARTED TO DECREASE AND ENG SHUTDOWN ONCE OIL PRESS IN THE RED. MTC IN PROGRESS, NO DETAILS AS YET AS TO SOURCE OF OIL LOSS. MTC FOUND O-RING CUT ON MAIN OIL FILTER HOUSING. REPLACED SAME. ALSO OIL LINE WAS LEAKING AT FUEL/OIL HEAT EXCHANGER. TIGHTENED LINE.