# SDR SWIA971566

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N284YV
- Make and model: Emb EMB-120RT
- Registry model: [EMB EMB-120RT](https://openairdocs.org/model/embraer-emb-120rt) (OpenAirDocs)
- Aircraft serial: 120284
- Engine: Pwa PW118A
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Malfunctioned
- Location: Right
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA971566

## Discrepancy

INADVERTENT AUTOFEATHER AT 1200 FEET.  TORQUE WENT TO 146 PERCENT ON LEFT ENGINE.  RETURNED TO LAX.  INSTALLED SERVICEABLE LEFT ENGINE IAW MM 71-00-00.  CHANGED LEFT PROPELLER ALSO.  CAUSE OF AUTOFEATHER UNKNOWN UNTIL FURTHER TEARDOWN OF COMPONENTS COMPLETED.

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