# SDR SWAA050167

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2005
- Submitted: January 25, 2005
- Operation: Air carrier
- Aircraft: N719SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27853
- Aircraft time: 24,119 hours, 14,388 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Module
- Part number: 651782121
- Condition: Leaking
- Location: Mlg Ww
- Stage of operation: DE
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA050167

## Discrepancy

DECLARED EMERGENCY, A-SYSTEM HYDRAULIC FAILURE, QUANTITY LOSS.  REMOVED AND REPLACED A-SYSTEM FILTER MODULE O-RING PER MM.

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