What was found
DURING ETOPS FLIGHT SEGMENT, THE LT ENG OIL PRESSURE DROPPED TO ZERO AND LOW OIL PRESSURE LIGHT CAME ON. SHUT DOWN THE ENG AND MADE UNSCHEDULED LANDING AT SFO. FOUND METAL IN CHIP DETECTOR AND MAIN OIL SCREEN. CHANGED THE ENGINE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING ETOPS FLIGHT SEGMENT, THE LT ENG OIL PRESSURE DROPPED TO ZERO AND LOW OIL PRESSURE LIGHT CAME ON. SHUT DOWN THE ENG AND MADE UNSCHEDULED LANDING AT SFO. FOUND METAL IN CHIP DETECTOR AND MAIN OIL SCREEN. CHANGED THE ENGINE.