# SDR SWAA000659

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2000
- Submitted: April 14, 2000
- Operation: Air carrier
- Aircraft: [N335SW](https://openairdocs.org/aircraft/N335SW), registered now
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 23939
- Aircraft time: 39,678 hours, 38,565 cycles
- System (JASC): [2931 · Hydraulic Pressure Indicator](https://openairdocs.org/jasc/2931)
- Part: Transmitter
- Part number: 1225P6
- Condition: Malfunctioned
- Location: Hyd Module
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA000659

## Discrepancy

AIR TURNBACK  -B- SYS HYD ELECTRIC PUMP LOW PRESS LIGHT ILLUMINATED.  ALL HYD QTY AND PRESS INDICATORS NORMAL.                R&R B-SYS HYD PRESS TRANSMITTER AND -B- SYS HYD ELECTRIC PUMP PER MM.

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