As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH 20,000 FEET, SMOKE WAS NOTED IN THE CABIN FOLLOWED BY COMPLETE LOSS OF OIL PRESSURE AND QUANTITY IN RIGHT ENGINE. RETURNED TO LAX AND LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE FOR EVALUATION. REPLACED ENGINE NUMBER TWO AND REPLACED PRIMARY AND SECONDARY HEAT EXCHANGERS.