# SDR COMA9630117

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N359CA](https://openairdocs.org/aircraft/N359CA), registered now
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 340A053
- Engine: Ge CT75A2
- System (JASC): [7520 · Engine Cooling System](https://openairdocs.org/jasc/7520)
- Part: Heat Exchanger
- Condition: Dirty
- Location: Lt Engine
- Stage of operation: TX
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA9630117

## Discrepancy

SMOKE SEEN COMING FROM LEFT ENGINE WHEN HIGH PRESSURE BLEED AIR IN USE.  SMOKE CAUSED BY A DIRTY HEAT EXCHANGER.  CLEANED THE HP BLEED HEAT EXCHANGER AND ACFT RETURNED TO SERVICE.

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