What was found
AFTER TAKEOFF LOST A SYSTEM HYDRAULIC PRESSURE. RETURNED TO BNA FOR LANDING. REMOVED AND REPLACED MANUAL SHUTOFF VALVE PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF LOST A SYSTEM HYDRAULIC PRESSURE. RETURNED TO BNA FOR LANDING. REMOVED AND REPLACED MANUAL SHUTOFF VALVE PER MM.