# SDR SIMA20240520001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2024
- Submitted: May 21, 2024
- Operation: Air carrier
- Aircraft: [N211NN](https://openairdocs.org/aircraft/N211NN), 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: 17000501
- Aircraft time: 22,810 hours, 14,902 cycles
- Engine: Ge CF348E5
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: UNKNOWN
- Condition: Power Loss
- Location: Nr 1
- Stage of operation: NR
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20240520001

## Discrepancy

LOSS OF THRUST ON ENG 1 DURING REDUCTION TO FLIGHT IDLE. DURING LOSS OF THRUST ITT DROPPED SIGNIFICANTLY. ONCE THRUST WAS APPLIED TOOK APPROX. 10 SECONDS FOR ENG 1 N1 TO MATCH ENG 2 N1. PERFORMED ENGINE RUNS OF #1 AND #2 ENGINE IAW ERJ 175 AMM 71-00-01 AND GE CF 34-8E LMM 72-00-00 NO DEFECTS NOTED SEE AML PG 5107930 ITEM 3 FOR FURTHER TROUBLESHOOTING REQUIRED FOR THRUST REDUCTION EVENT.

---
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.
