# SDR SWAA053173

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2005
- Submitted: October 14, 2005
- Operation: Air carrier
- Aircraft: N521SW
- Make and model: Boeing 737-5H4
- Registry model: [Boeing 737-5H4](https://openairdocs.org/model/boeing-737-5h4) (OpenAirDocs)
- Aircraft serial: 25320
- Aircraft time: 44,926 hours, 44,635 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hose
- Part number: 65C26839
- Condition: Leaking
- Location: Hyd System
- 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/SWAA053173

## Discrepancy

DECLARED EMERGENCY HYDRAULIC B-SYSTEM QUANTITY WENT TO ZERO.  ENGINE & ELECTRIC B-PUMP LOW PRESSURE LIGHTS ILLUMINATED.  REMOVED AND REPLACED HYDRAULIC B-SYSTEM FLEX HOSE AT HYDRAULIC ACCOUSTIC FILTER PER MM.

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