As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERMITTENT OIL ODOR AT VARIOUS TIMES DURING PACK OPERATION. ODOR WOULD OCCUR THEN VERY QUICKLY DISSIPATE. R & R LT ACM, OPS CHECKED GOOD IAW AMM 21-51-03 AND 21-51-00. PACKS WERE OPERATED UNTIL RESIDUAL ODOR WAS ELIMINATED. AIRCRAFT RETURNED TO SERVICE.