As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INITIAL CLIMB WE SMELLED ON THE COCKPIT AN OIL ODOR DISAPPEARING AFTER A FEW SECONDS. THEN DURING CRUISE AT FL 370 WE SMELLED AGAIN. WE PERFORMED THE COM 3.226.1 AND WE WERE ABLE TO IDENTIFY THE SOURCE AS PACK 1. THERE WERE NO ODOR SMELLED BY ANY F/A'S THROUGHOUT THE PAX CABIN. -PERF TSM 05-50-00-810-831-A. PACK 1 CONFIRMED CAUSE OF CABIN ODOR, NO OTHER DISCREPANCIES NOTED.