# SDR SWAA041769

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2004
- Submitted: June 28, 2004
- Operation: Air carrier
- Aircraft: [N308SA](https://openairdocs.org/aircraft/N308SA), registered now
- Make and model: Boeing 737-3Y0
- Registry model: [Boeing 737-3Y0](https://openairdocs.org/model/boeing-737-3y0) (OpenAirDocs)
- Aircraft serial: 23498
- Aircraft time: 55,186 hours, 37,364 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Valve
- Part number: 1U1234
- Part serial: 6963
- Condition: Leaking
- Location: Mlg Ww
- Stage of operation: NR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA041769

## Discrepancy

AIR TURNBACK, A-SYSTEM HYDRAULIC FLUID LOSS.  REMOVED AND REPLACED FWD MLG MODULE VALVE, AND REMOVED AND REPLACED CASE DRAIN FILTERS, PER MM.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.