As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - AFTER NR 2 ENGINE IS STARTED AND BLEED IS SWITCHED ON, FUEL ODOR IS PRESENT FOR ABOUT 1 MINUTE. THEN DISAPPEARS. NR 2 ENGINE HP BLEED VALVE REPLACED I/A/W MAINT. MANUAL. ENGINE GROUND RUN AND SYSYEM OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.