# SDR SIMA200310608

- 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: LD
- 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/SIMA200310608

## Discrepancy

DURING LANDING CREW REPORTED LOSING HYD SYSTEM 1 AND HAD PROBLEM GETTING GEAR DOWN AND LOCKED.  AN EMERGENCY WAS DECLARED AND AIRCRAFT WAS LANDED SAFELY. AIRCRAFT WAS TOWED TO THE GATE FOR MAINTENANCE.  MAINTENANCE REMOVED AND REPLACED THE NR 4 HYDRAULIC PUMP IAW EMB MM.  OPERATIONAL AND LEAK CHECKS WERE GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.  (M)

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