# SDR SIMA20130523001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2013
- Submitted: May 24, 2013
- Operation: Air carrier
- Aircraft: [N645AE](https://openairdocs.org/aircraft/N645AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145212
- Aircraft time: 31,712 hours, 29,307 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic System
- Condition: Low
- Location: Nr 1
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20130523001

## Discrepancy

THE CREW REPORTED THAT AFTER APPROX 1 HOUR OF CRUISE FLIGHT AT 36000 THEY RECEIVED AN EICAS MESSAGE "HYD 1 LOW LEVEL".  THE MESSAGE EXTINGUISHED WITH GEAR EXTENTION. THE CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT.  THE ACFT WAS REMOVED FROM SERVICE.  SERVICED NR1 HYD SYS TO 5 QUARTS. NO LEAKS NOTED IAW AMM 12-13-01. THE ACFT OK FOR SERVICE.

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