# SDR SWAA990469

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N663SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 23256
- Engine: Ge CFM563B1
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Regulator
- Part number: 1074923
- Condition: Inop
- Location: Nr 2 Engine
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA990469

## Discrepancy

AIR TURNBACK DUE TO NR 2 ENG BLEED AIR VALVE C/B POPPED IN FLIGHT AND WOULD NOT RESET.  REMOVED AND REPLACED NR 2 ENG BLEED AIR REGULATOR.

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