As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE OPERATING ON FLIGHT 312, PASSING THRU 14,000 FT, CREW REPORTED FLIGHT DECK AND CABIN BEGAN TO FILL WITH SMOKE. LT ENGINE OIL TEMPERATURE INCREASING AND OIL PRESSURE DROPPING, CREW DIVERTED. ENGINE WAS NOT SHUTDOWN. MAINTENANCE FOUND HIGH SATURATION OF OIL JUST AFT OF FAN. DRY MOTORING CONFIRMED OIL LEAK FROM 123 COMPARTMENT. REPLACED NR 1 ENGINE.