What was found
DURING CRUISE FLIGHT AT FL 310, LT OIL PRESS LIGHT CAME (ON) ON EOAP. LT OIL PRESS INDICATION FELL TO 0 WITH (35) AND (40) LIGHTS ON. LT OIL QUANTITY WAS NORMAL INDICATING 16 QTS. LT OIL TEMPERATURE REACHED 131. LT ENGINE WAS SHUTDOWN, FOLLOWING THE CHECKLIST AND REMAINED IN THIS CONDITION FOR 50 MINUTES UNTIL LANDING DURING WINDMILLING. LT OIL PRESS REMAINED IN 0. LOW OIL QUANTITY INDICATING 16 QTS AND LT OIL TEMP REMAINED 96. LT ENGINE WAS REPLACED IAW EWO NR 83-72-6438. ENGINE REMOVAL AND INSTALLATION. TEST SATISFACTORY IAW AMM 71-00-00 PAGE 501.