# SDR SWAA030272

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2003
- Submitted: February 6, 2003
- Operation: Air carrier
- Aircraft: 086SW
- Make and model: Boeing 737-2H4
- Registry model: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (OpenAirDocs)
- Aircraft serial: 22827
- Aircraft time: 65,333 hours, 71,217 cycles
- Engine: Pwa JT8D9A
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Valve
- Part number: 658385
- Part serial: 6158113
- Condition: Faulty
- Location: Nr 1 Engine
- Stage of operation: UK
- How discovered: O
- Nature of condition: R
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA030272

## Discrepancy

THE NR 1 ENGINE COMPRESSOR STALLS WHEN THROTTLE ADVANCED.  REMOVED AND REPLACED NR 1 ENG START CHECK VALVE AND PRESS RATIO BLEED CONTROL PER MM.

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