As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER PUSHBACK IN SEATTLE WHEN CONDITION LEVERS BROUGHT TO MAX. ODOR FROM THE BLEED AIR SYS, SEEMS TO BE ELECTRICAL. REPLACED THE P2.2 VALVE, NO HELP. FERRIED FOR FURTHER WORK. RAN ENGINES AT DIFFERENT POWER SETTINGS AND BLEEDS ON AND OFF AND INTAKE HEAT ON AND OFF WITH NO DEFECTS. OPS CK FLIGHT OK. COULD NOT DUPLICATE. RETURNED TO SERVICE.