# SDR SWAA050017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2005
- Submitted: January 7, 2005
- Operation: Air carrier
- Aircraft: N615SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 27698
- Aircraft time: 31,915 hours, 27,362 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Control Module
- Part number: 7816903
- Part serial: 1770
- Condition: Leaking
- Location: Mlg W/W
- Stage of operation: CR
- 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/SWAA050017

## Discrepancy

DIVERSION/DECLARED EMERGENCY.  AT CRUISE ALTITUDE LOST B-SYSTEM HYDRAULIC FLUID QUANTITY.  REMOVED AND REPLACED B-SYSTEM BRAKE CONTROL MODULE PER MM.

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