What was found
LEFT SYSTEM HYDRAULIC PRESSURE DROPPED TO ZERO PSI WHEN TRANSFER PUMP WAS TURNED OFF. REMOVED AND REPLACED ENGINE HYDRAULIC PUMP.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT SYSTEM HYDRAULIC PRESSURE DROPPED TO ZERO PSI WHEN TRANSFER PUMP WAS TURNED OFF. REMOVED AND REPLACED ENGINE HYDRAULIC PUMP.