# SDR SIMA201910210003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2019
- Submitted: October 22, 2019
- Operation: Air carrier
- Aircraft: [N249NN](https://openairdocs.org/aircraft/N249NN), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000634
- Aircraft time: 7,322 hours, 4,779 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Instrument Panel
- Part number: C16790AA01
- Part serial: C16790005116
- Condition: Failed
- Location: Cockpit
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA201910210003

## Discrepancy

ACCT INTEGRATED STBY INSTRUMENT (IESS) IAW AMM EMB175 34-11-01. OPS CHECKING GOOD.  IND FAIL. NO EMERGENCY DECLARED. CHG EQ. FLT CONT.-C/A-REMOVED AND REPLACED INTEGRATED STBY INSTRUMENT (IESS) IAW AMM EMB175 34-11-01. OPS CHECKING GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.