# SDR SWAA990830

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N313SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 23335
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Module
- Part number: 6937317
- Condition: Inoperative
- Location: A Hyd System
- Stage of operation: LD
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA990830

## Discrepancy

LOSS OF 'A' SYSTEM HYDRAULICS AFTER TAKEOFF.  REMOVED AND REPLACED 'A' SYS HYD MODULE AND BOTH CASE DRAIN FILTERS, SYSTEM OPS CHECKED GOOD PER MM.

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