# SDR SIMA201120803

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2011
- Submitted: July 27, 2011
- Operation: Air carrier
- Aircraft: [N652RS](https://openairdocs.org/aircraft/N652RS), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145432
- Aircraft time: 24,436 hours, 23,029 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 971808
- Part serial: MX601389
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: AP
- 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/SIMA201120803

## Discrepancy

ON FLIGHT 3368 THE CREW REPORTED HYDRAULIC 1 LOW QUANTITY  MESSAGE ON CLIMBOUT OF LIT, QUANTITY  WAS AMBER TOP OF RANGE, AS FLIGHT PROGRESSED QUANTITY CONTINUED TO DROP.  ENGINE HYDRAULIC  PUMP NR 1 FAILED AND SYSTEM NR 1 FAILED, COMPLIED WITH ABNORMAL PROCEDURES, HYDRAULIC 1 FAIL AND ABNORMAL GEAR EXTENSION.  THE CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT.  THE AIRCRAFT WAS REMOVED FROM SERVICE.  REMOVED AND REPLACED THE NR 1 ENGINE DRIVEN HYDRAULIC PUMP IAW EMB 145 AMM 29-10-03.  THE OPERATIONAL AND LEAK CHECK WERE GOOD AT THIS TIME.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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