Service difficulty report · Engine · Diamon DA42NG

Difficulty date
August 24, 2022
Submitted
September 26, 2022
Operation
General aviation
Aircraft
N629SA
Make and model
Diamon DA42NG
Aircraft serial
42AC011
Aircraft time
3,420 hours
Engine
Thielt TAE1250299
Engine time
269 hours
Part
Engine
Condition
Failed
Stage of operation
AP
How discovered
O
Nature of condition
Y
Precautionary procedure
K

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

What was found

ON SIMULATED SINGLE ENGINE APPROACH, (R/H ENGINE PULLED TO IDLE, L/H ENGINE FULLY OPERATIONAL) L/H ENGINE STOPPED TURNING. AIRCRAFT CONTINUED TO THE GROUND AND LANDED WITH ONLY THE R/H ENGINE OPERATING. PULLED FADEC DATA AND SENT TO CONTINENTAL FOR EXAMINATION. OFFICIAL DETERMINATION WAS THE YAWING ACTION CAUSED FUEL TO GO OUTBOARD FROM THE FUEL PICKUP IN THE TANK, CAUSING THE PICKUP TO SUCK AIR AND DROP FUEL PRESSURE, RESULTING IN FADEC SHUTTING THE ENGINE DOWN. FUEL ONBOARD WAS 12 GALLONS ON LEFT SIDE AND 11 GALLONS ON RIGHT SIDE. THERE IS NO MINIMUM FUEL QUANTITY PUBLISHED IN AFM FOR SINGLE ENGINE APPROACHES. DISCUSSED WITH OTHER FLIGHT SCHOOLS AND THIS IS NOT THE FIRST OCCURRENCE OF THIS SITUATION

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