# SDR SIMA202212298002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2022
- Submitted: January 2, 2023
- Operation: Air carrier
- Aircraft: [N252NN](https://openairdocs.org/aircraft/N252NN), 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: 17000642
- Aircraft time: 14,546 hours, 9,361 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Condition: Faulted
- 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/SIMA202212298002

## Discrepancy

FMS 2 FAIL AFTER ROTATION.BOTH FMS FAIL. SINK RATE FOLLOWED. EMERGENCY DECLARED.   AT THIS TIME DEFERRED FMS 2 AS PER MEL MTX ACTION C/W.  ORIG SUB DATE:  12/29/2022

---
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.