# SDR SIMA20211206004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2021
- Submitted: December 7, 2021
- Operation: Air carrier
- Aircraft: [N678AE](https://openairdocs.org/aircraft/N678AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500813
- Aircraft time: 40,057 hours, 36,007 cycles
- System (JASC): [3140 · Central Computers](https://openairdocs.org/jasc/3140)
- Part: None
- Condition: None
- Stage of operation: UK
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20211206004

## Discrepancy

SPS ADVANCE MESSAGE ON EICAS ASSOCIATED WITH UNRELIABLE AIRSPEED ON #1 PFD DECLARED EMERGENCY.-C/A-RAR IC-600 #1 W/ AP IAW EMB-145 AMM 31-42-00-700-801-A/500. NO FURTHER DEFECTS NOTED.

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