# SDR SWAA032819

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2003
- Submitted: January 9, 2004
- Operation: Air carrier
- Aircraft: 083SW
- Make and model: Boeing 737-2H4
- Registry model: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (OpenAirDocs)
- Aircraft serial: 22732
- Aircraft time: 68,374 hours, 74,934 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Pressure Switch
- Part number: 94P11
- Condition: Leaking
- Location: Nr 1 Eng T/R
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA032819

## Discrepancy

DECLARED EMERGENCY, HYD A-SYS FAILURE.  LOW PRESS LIGHT ILLUMINATED FOR BOTH PUMPS.  FOUND NR 1 ENG T/R HYD PRESS SWITCH LEAKING AT UNION FITTING.  REMOVED AND REPLACED PRESS SWITCH IAW MM.

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