Service difficulty report · Dampener · Diamon DA42

Difficulty date
October 30, 2025
Submitted
October 30, 2025
Operation
General aviation
Filed by
N3XR816N
Embry-Riddle Aeronautical University Inc
Aircraft
N316ER
Make and model
Diamon DA42
Aircraft serial
42N224
Aircraft time
2,465 hours
Engine
Austro E4
Engine time
1,440 hours
Part
Dampener
Part number
E4A73300000
Part serial
06698
Condition
Failed
Location
Zone 600
Part time
1,470 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 TROUBLESHOOTING FOR LOW POWER OUTPUT, THE TORSIONAL VIBRATION DAMPER WAS FOUND DAMAGED, WITH SEVERAL BROKEN PIECES MISSING FROM IT. IT WAS ALLOWING SLIPPAGE WHILE DRIVING THE PROPELLER.

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