As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG OIL ODOR IN BLEED/PACK SYSTEM AFTER TAKEOFF. MEL ISSUED 21-29 WHEN PACK NR 1 WAS FOUND CAUSING ODOR. REMOVED AND REPLACED LT ZERO CARBON SEAL IAW EMB MM 72-25-25. PERFORMED OPS CHECK ON LT BLEED AIR SYS IAW EMB MM 21-20-00. NO OIL ODOR NOTED, AIRCRAFT RETURNED TO SERVICE.