SDR CA090512003

Service difficulty report · Engine · Swrngn SA227AC

Difficulty date: May 9, 2009
Submitted: June 16, 2009
Operation: General aviation
Make and model: Swrngn SA227AC
Aircraft time: 20,708 hours
Engine: Garrtt TPE33111U
Propeller: Mcauly 4HFR34C652
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Surges
Location: Right
Stage of operation: DE
How discovered: O
Nature of condition: R, Y, J
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) DURING THE DESCENT, APPROX 30NM FROM AIRPORT, RT ENGINE SURGED, THEN LOST POWER COMPLETELY, NTS LIGHT ILLUMINATED. CONFIRMED WITH POWER LEVER (NO TORQUE MOVEMENT, NOR YAW). COMPLETED ENGINE FAILURE CHECKLIST, DECLARED EMERGENCY (TRUCKS WERE DISPATCHED). LANDED WITHOUT FURTHER INCIDENT. THE QUESTION OF THE ENGINE STOPPED IN FLIGHT OR WENT TO REDUCED POWER HAS NOT BEEN CONFIRMED. ENGINE IS BEING REMOVED AND REPLACED FOR FURTHER INVESTIGATION.