What was found
LEFT ENGINE BLEED PRESSURE REGULATING AND SHUTOFF VALVE FAILURE PRIOR TO ENTERING ETOPS ENVIRONMENT. SUPPLEMENTAL DATA UPDATE HIGH STAGE PILOT CONTROLLER FAILED. REPLACED HIGH STAGE PILOT CONTROLLER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT ENGINE BLEED PRESSURE REGULATING AND SHUTOFF VALVE FAILURE PRIOR TO ENTERING ETOPS ENVIRONMENT. SUPPLEMENTAL DATA UPDATE HIGH STAGE PILOT CONTROLLER FAILED. REPLACED HIGH STAGE PILOT CONTROLLER.