# SDR SIMA20261004002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2026
- Submitted: October 5, 2026
- Operation: Air carrier
- Aircraft: [N749BM](https://openairdocs.org/aircraft/N749BM), registered now
- Make and model: Emb ERJ 170-100 SE
- Registry model: [EMB ERJ 170-100 SE](https://openairdocs.org/model/embraer-erj-170-100-se) (OpenAirDocs)
- Aircraft serial: 17000133
- Aircraft time: 42,335 hours, 31,862 cycles
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Control Unit
- Part number: C16790AA01
- Condition: Failed
- Location: Iess
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20261004002

## Discrepancy

IESS FAILED ON DECSENT,  EMERGENCY DECLARED,  R & R IESS UNIT IAW AMM 34-11-01 AND PERFORMED OPERATIONAL CHECK GOOD IAW AMM 34-11-00. NO OTHER DEFECTS NOTED.

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