As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AT CRUISE ALTITUDE OF 36,000FT CHECKED OIL LEVEL AND IT WAS AT 6 QUARTS, CONTINUE TO DECREASE ALL THE WAY TO 0 ON APPROACH; AIRCRAFT DIVERTED TO AND LANDED SAFELY AT RDU. ACCOMPLISHED GVI OF NUMBER 1 ENGINE. FOUND OIL CAP O-RING TORN. REPLACED O-RING, ACCOMPLISHED HIGH POWER ENG RUN, NO LEAKS NOTED. PER AMM 79-11-03 AND 71-00-00.