# SDR N3XR2018121700309

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2018
- Submitted: December 17, 2018
- 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: [N309ER](https://openairdocs.org/aircraft/N309ER), registered now
- Make and model: Diamon DA 42 NG
- Registry model: [Diamon DA 42 NG](https://openairdocs.org/model/diamond-aircraft-ind-da-42-ng) (OpenAirDocs)
- Aircraft serial: 42N211
- Aircraft time: 1,640 hours
- Engine: Austro E4
- Engine time: 1,640 hours
- System (JASC): [8100 · Exhaust Turbine System (Reciprocating)](https://openairdocs.org/jasc/8100)
- Part: Valve
- Part number: E4A41300801
- Condition: Failed
- Location: Ele Chargeover
- Stage of operation: TO
- How discovered: O
- Nature of condition: R
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/N3XR2018121700309

## Discrepancy

ON TAKEOFF ROLL, THE POWER WAS LOW. THE TAKE OFF WAS ABORTED. THE ELECTRIC CHANGE OVER VALVE, P/N-E4A-41-300-801, WAS REPLACED AND ALL GROUND PERFORMANCE TESTS INDICATED NORMALLY.

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