As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - EXHAUST ODOR FROM BLEEDS SEEMS MORE PRONOUNCED FROM BLEED NR 1, NR 1 ENG BLEED OP INCREASES FUEL FLOW 70 NR ITT. REMOVED AND REPLACED NR 1 HPSOV IAW AMM 36-11-09 PG 401-405. OPS CHECKED GOOD. NO ODOR PRESENT. RETURNED TO SERVICE.