# SDR SIMA20250330001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2025
- Submitted: March 31, 2025
- Operation: Air carrier
- Aircraft: [N259NN](https://openairdocs.org/aircraft/N259NN), 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: 17000682
- Aircraft time: 19,477 hours, 12,956 cycles
- System (JASC): [7700 · Engine Indicating System](https://openairdocs.org/jasc/7700)
- Part: Indicator
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: DE
- How discovered: O
- Nature of condition: S
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20250330001

## Discrepancy

LOSS OF ALL ENGINE 1 INDICATIONS DURING DESCENT INTO MSO.  SUBSEQUENT AT FAIL CAUTION AND ELEV THRUST COMP FAIL CAUTION MESSAGE. DECLARED EMERGENCY. C/A: CLEANED AND INSPECTED W6 AND W7 HARNESS PER FIM 77-00-00-810-802-A. ALL ASSOCIATED OPC GOOD. NO DEFECTS NOTED AT THIS TIME. A/C OK FOR SERVICE

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