# SDR WWMA9600051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N231LN
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B231
- Engine: Ge CT79B
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Flamed Out
- Location: Left
- Stage of operation: DE
- Nature of condition: X
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WWMA9600051

## Discrepancy

DURING DESCENT FROM 17000 FT TO 15000 FT WITH TORQUE AT 60 PERCENT AND BEING SLIGHTLY RETARDED TO 55 PERCENT, THE LEFT ENGINE FLAMED OUT WITH A LOUD BANG.  ALL GAUGES INDICATED FLAME-OUT.  AUTO RELIGHT ENGAGED AND THE ENGINE RELIT AND RETURNED TO NORMAL.  DURIING THE RETARDATION OF LEFT POWER LEVER AT 55 PERCENT TO 50 PERCENT THE CREW  REPORTED A TORQUE SURGE OF APPROXMATELY 5 PERCENT WITH AUDIBLE ENGINE FULX.  THE AIRCRAFT LANDED WITHOUT INCIDENT.  MAINTENANCE CLEANED THE LEFT ANTI-ICE VALVE AND PERFORMED AN ENGINE COMPRESSOR WASH.  THE ENGINE WAS BORESCOPE, INSPECTED WITH NO DEFECTS FOUND. THE AIRCRAFT WAS RETURNED TO SERVICE WITH NO FURTHER PROBLEMS REPORTED.

---
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.