As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOTICEABLE SMOKE DISCHARGE FROM TAILPIPE OF RT ENGINE. APPROX 2 MINUTES AFTER ENGINE SHUTDOWN. RAN ENGINE SEVERAL TIMES, 10 MINUTES APART. SHUTDOWN ENGINE, WAITED 2 MINUTES. NO NOTABLE SMOKE DISCHARGE FROM TAIL PIPE. OPS CHECKS GOOD IAW AMM 72-00-00. ADDED 2 PTS OF OIL TO RT AND LT ENGINES.