Service difficulty report · Valve · Diamon DA42NG

Difficulty date
December 14, 2018
Submitted
December 17, 2018
Operation
General aviation
Filed by
N3XR816N
Embry-Riddle Aeronautical University Inc
Aircraft
N305ER
Make and model
Diamon DA42NG
Aircraft serial
42N205
Aircraft time
1,396 hours
Engine
Austro E4
Engine time
1,396 hours
Part
Valve
Part number
E4A41300801
Condition
Failed
Location
Ele Chargeover
Part time
1,396 hours
Stage of operation
CL
How discovered
O
Nature of condition
R
Precautionary procedure
A

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

What was found

DURING CLIMB TO 8,000 FEET POWER DECREASED , UN-COMMANDED, FROM 92% TO 70%. TROUBLESHOOTING REVEALED THE ELECTRIC CHANGE OVER VALVE, P/N-E4A-41-300-801 WAS DEFECTIVE. THAT PART WAS REPLACED AND ALL OPERATIONAL CHECKS SHOWED PROPER OPERATION.

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