# SDR SIMA200311102

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2003
- Submitted: June 3, 2003
- Operation: Air carrier
- Aircraft: [N704PG](https://openairdocs.org/aircraft/N704PG), registered now
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145174
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: YB203A
- Part serial: MX61984
- Condition: Inoperative
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200311102

## Discrepancy

DURING CRUISE FLIGHT, THE CREW REPORTED LOSING THE NR 1 HYDRAULIC SYSTEM, QUANTITY AND SYSTEM.  AN EMERGENCY AND AIRCRAFT WAS LANDED SAFELY WITH NO OTHER INCIDENTS REPORTED.  GEAR DID GO DOWN AND LOCK SAFELY.  MAINTENANCE REMOVED AND REPLACED THE NR 4 ENGINE DRIVEN HYDRAULIC PUMP IAW EMB MM.  OPERATIONAL AND LEAK CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.  (M)

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