# SDR SWAA043246

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2004
- Submitted: November 10, 2004
- Operation: Air carrier
- Aircraft: N699SW
- Make and model: Boeing 737-3Y0
- Registry model: [Boeing 737-3Y0](https://openairdocs.org/model/boeing-737-3y0) (OpenAirDocs)
- Aircraft serial: 23826
- Aircraft time: 53,578 hours, 46,600 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Module
- Part number: 65C268761
- Condition: Leaking
- Location: Mlg Ww
- Stage of operation: NR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA043246

## Discrepancy

AIR TURNBACK, DECLARED EMERGENCY.  HYDRAULIC B-SYSTEM FAILURE.  REMOVED AND REPLACED B-SYSTEM HYDRAULIC MODULE PER MM.

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