# SDR SWIA200412857

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2004
- Submitted: February 9, 2004
- Operation: Air carrier
- Aircraft: N221SW
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120290
- Aircraft time: 22,864 hours, 32,479 cycles
- System (JASC): [7712 · Engine BMEP/Torque Indicating](https://openairdocs.org/jasc/7712)
- Part: Signal Cond Unit
- Part number: 30005000053
- Part serial: 923
- Condition: Malfunctioned
- Location: Eng Torque
- Part time: 7,010 hours, 10,448 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA200412857

## Discrepancy

ON APPROACH, LEFT ENGINE HAD UNCOMMANDED AUTOFEATHER.  TORQUE REACHED 115 PERCENT.  REPLACED TORQUE SENSOR, SIGNAL CONDITIONER AND EEC HARNESS WITH SERVICEABLE UNIT IAW EMB-120 MM 73-22-00.  OPS CHECKS GOOD.  TORQUE SENSOR P/N OFF:  3105076-01.

---
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.