# SDR SWAA021025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2002
- Submitted: May 15, 2002
- Operation: Air carrier
- Aircraft: N326SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 23690
- Aircraft time: 49,595 hours, 48,223 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic Line
- Part number: AS116080264
- Condition: Leaking
- Location: B System
- Stage of operation: CL
- 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/SWAA021025

## Discrepancy

AIR TURNBACK, DURING CLIMB LOST B-SYSTEM HYDRAULIC FLUID.  REMOVED AND REPLACED HYDRAULIC LINE, FROM B-SYSTEM PRESS MODULE TO THE ACOUSTIC FILTER ASSY PER MM.

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