As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLEED HPSOV LEFT ENGINE BLEED HIGH PRESSURE SHUTOFF VALVE (HPSOV) FAILED OPEN OR CLOSED, OR LT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILURE. ACP PNEUMATIC SYS HEALTH CK IAW MM. TUBING AND HP VALVE CK GOOD. REPLACED HPFAC IAW MM. RAN ENGINE.0 OPS CHECKED GOOD.