# SDR SIMA20160825002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 25, 2016
- Submitted: August 26, 2016
- Operation: Air carrier
- Aircraft: [N602AE](https://openairdocs.org/aircraft/N602AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145048
- Aircraft time: 43,556 hours, 36,813 cycles
- Engine: Allsn AE3007C
- System (JASC): [7321 · Fuel Control/Turbine Engines](https://openairdocs.org/jasc/7321)
- Part: Fadec
- Condition: Malfunctioned
- Location: Nr 1 Engine
- Stage of operation: NR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20160825002

## Discrepancy

NR 1 ENGINE N1 ROLL BACK UNCOMMANDED 90-60% FOR A FEW SECONDS,  CAUTION YAW TO LEFT N2 RECOVERED 5 SECONDS LATER AT FL 320.  LANDED NORMALLY.  NO WEATHER, NO EXTEME WINDS, DIVERTED AND LANDED NORMALLY.  PERFORMED FDR DOWNLOAD IAW W/C 31-700-05.  R & R FADEC 1A IAW AMM 73-22-01.  FADEC INSPECTION GOOD AND NO FURTHER FAULTS FOUND.

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