# SDR SIMA200711303

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2007
- Submitted: April 23, 2007
- Operation: Air carrier
- Aircraft: [N856AE](https://openairdocs.org/aircraft/N856AE), registered now
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145748
- Aircraft time: 9,491 hours, 7,826 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Pressure Switch
- Part number: 368192105
- Part serial: 3172
- Condition: Failed
- Location: Zone 400
- Part time: 7,372 hours, 5,062 cycles
- Stage of operation: TO
- How discovered: V
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200711303

## Discrepancy

ENGINE ONE HYDRAULIC PUMP FAIL MESSAGE, ABORTED TAKEOFF.  REMOVED AND REPLACED NR 1 HYDRAULIC ENGINE DRIVEN PUMP PRESSURE SWITCH IAW EMB 29-10-19.  OPERATIONAL CHECK GOOD, RETURNED AIRCRAFT TO SERVICE

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