# SDR SIMA20180203001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2018
- Submitted: February 5, 2018
- Operation: Air carrier
- Aircraft: [N857AE](https://openairdocs.org/aircraft/N857AE), registered now
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145752
- Aircraft time: 27,425 hours, 24,370 cycles
- System (JASC): [3140 · Central Computers](https://openairdocs.org/jasc/3140)
- Part: Dau
- Part number: 7013348949
- Part serial: 97110961
- Condition: Failed
- Location: Nr 1
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20180203001

## Discrepancy

DAU NR 1A FAILED.  TROUBLESHOOT IAW FIM 31-41-00.  REMOVED AND REPLACED THE NR 1 DAU IAW AMM 31-41-00,  OPS CHECKED GOOD, NO DFECTS NOTED.

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