# SDR SWAA2019101437794

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 2019
- Submitted: October 15, 2019
- Operation: Air carrier
- Aircraft: N770SA
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 30589
- Aircraft time: 67,762 hours, 40,059 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Filter
- Part number: 7595270103
- Condition: Leaking
- Location: Hyd System
- Stage of operation: IN
- How discovered: 9
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2019101437794

## Discrepancy

LOSS OF SYSTEM A HYD.  R & R THE A SYSTEM ACOUSTIC FILTER TO HYDRAULIC MODULE LINE AND CASE DRAIN FILTER PER AMM.  DECLARED EMERGENCY.

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