SDR N3XR202509260003

Service difficulty report · Pump · Diamon DA42

Difficulty date: September 26, 2025
Submitted: September 26, 2025
Operation: General aviation
Filed by: N3XR816N
Embry-Riddle Aeronautical University Inc
Aircraft: N318ER
Make and model: Diamon DA42
Aircraft serial: 42N539
Aircraft time: 820 hours
Engine: Austro E4
Engine time: 820 hours
System (JASC): 2822 · Fuel Boost Pump
Part: Pump
Part number: D6490281101MOD
Condition: Inoperative
Location: Zone 500
Part time: 820 hours
Stage of operation: TX
How discovered: O
Nature of condition: R, J
Precautionary procedure: D

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

What was found

LEFT ENGINE QUIT FOR HALF A SECOND, THEN SWITCHED BACK ON, LEFT ENGINE ECU SHOWED A MESSAGE APPEARED, LEFT FUEL PUMP CIRCUIT BREAKER POPPED, KEPT THE VOTER SWITCH ON AUTO WITH FUEL PUMP SWITCH ON. THE LEFT LOW-PRESSURE FUEL PUMPS WERE REPLACED.

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