As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH ENG BLEED VALVE MSG DURING ENG COWL ANTI ICE OPERATION. HPSOV WAS SECURED CLOSED AND PLACED ON MEL. DURING A HEALTH CHECK OF THE HIGH STAGE SYSTEM PER THE AMM, THE HP PILOT FAILED THE CROSSOVER CHECK. THE HP PILOT WAS REPLACED AND CONFIRMED OPERATIONAL DURING THE HIGH STAGE SYSTEM HEALTH CHECK.