# SDR SIMA20261025001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2026
- Submitted: October 26, 2026
- Operation: Air carrier
- Aircraft: [N273NN](https://openairdocs.org/aircraft/N273NN), 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: 17000778
- Aircraft time: 20,153 hours, 13,538 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibration
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20261025001

## Discrepancy

ENGINE NR 1 SHOWED LP VIB 4.0 ON CLIMB OUT OF XNA. RAN QRH AND FOUND THAT ANYTHING ABOVE 70% THE VIBRATION RETURNED TO AMBER 4.0. AT 60% N1 IT WAS 3.8. AND AT 55% N1 IT WS 3.5. PER QRH WE CONTINUED WITH THRUST AT IDLE ON THE GROUND IN DALLAS IT CONTINUED TO RUN AT 3.8 AT IDLE. EMERGENCY DECLARED DEFERRED E1 VIBRATION PER ETN-EJ-72-009 TDMI AUTHORIZATION NUMBER 073T72182.

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