# SDR N3XR202510300002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2025
- Submitted: October 30, 2025
- Operation: General aviation
- Filed by: [Embry-Riddle Aeronautical University Inc, repair station N3XR816N](https://openairdocs.org/faa-repair-station/N3XR816N/embry-riddle-aeronautical-university-inc.md) (OpenAirDocs)
- Aircraft: [N316ER](https://openairdocs.org/aircraft/N316ER), registered now
- Make and model: Diamon DA 42
- Registry model: [Diamon DA 42](https://openairdocs.org/model/diamond-aircraft-ind-da-42) (OpenAirDocs)
- Aircraft serial: 42N224
- Aircraft time: 2,465 hours
- Engine: Austro E4
- Engine time: 1,440 hours
- System (JASC): [8500 · Engine (Reciprocating)](https://openairdocs.org/jasc/8500)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/N3XR202510300002

## Discrepancy

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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