# SDR SIMA200631004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2006
- Submitted: November 14, 2006
- Operation: Air carrier
- Aircraft: N710TB
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145224
- System (JASC): [2930 · Hydraulic Indicating System](https://openairdocs.org/jasc/2930)
- Part: Warning System
- Condition: Activated
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200631004

## Discrepancy

LGA - FLT 4844 - BLUE ADVISORY MESSAGE E1 HYDRAULIC PUMP FAIL.  FOLLOWED AIRCRAFT OPERATING MANUAL AND TURNED ON NR 1 ELECTRIC HYDRAULIC PUMP.  NR 1 ELECTRICAL HYDRAULIC PUMP.  NR 1 HYDRAULIC SYSTEM FAIL ILLUMINATED AND NR 1 ELECTRIC HYDRAULIC PUMP WAS TURNED OFF.  TURNED ON NR 1 ELECTRIC HYDRAULIC PUMP DURING APPROACH.  SYSTEM PRESSURE RESTORED, E1 HYDRAULIC PUMP FAIL MESSAGE EXTINGUISHED.  AFTER LANDING LOST NR 1 HYDRAULIC SYSTEM PRESSURE.  LOST NOSE WHEEL STEERING WHEN NOSE LANDING GEAR TOUCHED DOWN.  (M)

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