Service difficulty report · Unknown · Diamon DA42NG

Difficulty date
October 12, 2023
Submitted
October 12, 2023
Operation
General aviation
Aircraft
N629SA
Make and model
Diamon DA42NG
Aircraft serial
42AC011
Aircraft time
3,629 hours
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
AP
How discovered
O
Nature of condition
Y, Z
Precautionary procedure
K

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

What was found

DURING FINAL APPROACH, SIMULATED SINGLE ENGINE APPROACH, SIMULATED OPERATIVE ENGINE LOST FULL POWER WITH ECU A AND B FAIL. APPROX. 10 SECONDS LATER THE ENGINE SELF RESTARTED WITH CONSISTENT ECU A AND B FAIL, THOUGH PRODUCING POWER. DETERMINED FUEL LOAD TO BE TOO LOW AND YAWING ACTION CAUSED THE FUEL INLET TO SUCK UP AIR, CAUSING A DECREASE IN PRAIL PRESSURE, CAUSING THE ENGINE TO SHUT OFF. THIS IS THE 3RD OCCURANCE IN THE LAST YEAR OF ACTUAL ENGINE FAILURE. THERE IS NO LIMIT IN THE AFM FOR SINGLE ENGINE APPROACH FUEL LOAD. FUEL LOAD DURING THIS TIME WAS APPROXIMATELY 11 GALLONS PER SIDE

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