What was found
PERFORMED AN AIR TURN BACK TO MSP DUE TO FUMES IN THE COCKPIT AND CABIN. SUSPECT LEFT ENGINE OVERSERVICED AND FOUND HYD LEAK AT PYLON DISCONNECT WITH EVIDENCE OF HYDRAULIC FLUID INTRUSION AT CLAMP FORWARD OF PRECOOLER. (LP 8110358)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PERFORMED AN AIR TURN BACK TO MSP DUE TO FUMES IN THE COCKPIT AND CABIN. SUSPECT LEFT ENGINE OVERSERVICED AND FOUND HYD LEAK AT PYLON DISCONNECT WITH EVIDENCE OF HYDRAULIC FLUID INTRUSION AT CLAMP FORWARD OF PRECOOLER. (LP 8110358)