# SDR SIMA20240206001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2024
- Submitted: February 7, 2024
- Operation: Air carrier
- Aircraft: [N202NN](https://openairdocs.org/aircraft/N202NN), 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: 17000467
- Aircraft time: 22,451 hours, 14,528 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Unknown
- Condition: Vibration
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20240206001

## Discrepancy

ENG VIBE / DECLARED EMERGENCY # 1 ENG VIBE 2.2. INCREASED TO CLIMB TO F170.RAN ABO VIBE CHECK LIST. AT IDLE VIBE WASD 3.6 AND GETTING WORSE.RAN @ 50% TO KEEP VIBE ABOVE 4.0. PHYSICALLY SHAKING AIRCRAFT, ENG 1 PRECAUTIONARY SHUTDOWN PER CAPT. DECISION. RAR LH ENGINE FWD ACCELEROMETER IAW GE LMM 77-00-00. SEE ITEM 2 FOR VIBE CHECK. ACCOMPLISHED VISUAL INSPECTION, CLEANING AND CONTINUITY CHECK OF W9 HARNESS IAW SPWM 20-64-00. CONTINUITY CHECK PASSED. ACCOMPLISHED VISUAL INSPECTION OF LH ENGINE FAN ABRADABLE STRIP IAW GE LMM 72-23-01. NO DEFECTS NOTED OUTSIDE OF ALLOWABLE LIMITS.

---
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.