# SDR AU001228

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2000
- Submitted: March 20, 2001
- Operation: General aviation
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Engine: Ge CT75A2
- Propeller: Rotol R3544123F13
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Hydromech Unit
- Part number: 6055T19P14
- Condition: Faulty
- Location: Fuel Control
- Part time: 12,938 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU001228

## Discrepancy

(AUS) LT ENGINE COMPRESSOR STALL (SURGE). OPERATING LIMITS EXCEEDED. SUSPECT CAUSED BY FAULTY HYDROMECHANICAL UNIT (HMU).

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