# SDR 2009FA0000874

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2009
- Submitted: October 22, 2009
- Operation: General aviation
- Aircraft: N3RZ
- Make and model: Diamon DA 42
- Registry model: [Diamon DA 42](https://openairdocs.org/model/diamond-aircraft-ind-da-42) (OpenAirDocs)
- Aircraft serial: 42AC117
- Engine: Thielt TAE1250299
- Propeller: Mtprop MTV6*
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Control Valve
- Part number: 057212K021401
- Condition: Defective
- Location: Lt Engine
- Part time: 186 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2009FA0000874

## Discrepancy

THE LEFT ENGINE PROPELLER CONTROL VALVE FAILED CAUSING THE PROPELLER TO FEATHER AND COMMANDED THE FADEC TO SHUT DOWN ENGINE.  THIS ISSUE CAN BE RESOLVED BY COMPLYING WITH SB TAE 125-1007 P1, REV 2.  (K)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.