# SDR SIMA20170503001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2017
- Submitted: May 4, 2017
- Operation: Air carrier
- Aircraft: [N229NN](https://openairdocs.org/aircraft/N229NN), 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: 17000547
- Aircraft time: 2,643 hours, 1,875 cycles
- Engine: Ge CF348E5
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Blades
- Condition: Out Of Balance
- Location: Nr 2
- Stage of operation: AP
- How discovered: V
- Nature of condition: E
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20170503001

## Discrepancy

DURING CLIMB, NR 2 ENGINE VIBRATION REACHED AMBER AT 4.0 . ENGINE VIBRATION PEAKED AT 4.0 ON APPROACH AT 40% N1  WITH NOTICEABLE AIRFRAME VIBRATION.  PERFORMED N1 VIBRATION WORKSCOPE ON RT ENGINE IAW MM 72-00-00 SPEC. PROC. 097.  REMOVED AND REPLACED ALL FAN BLADE RETAINING PINS AND BUMPERS, AND NULLED AFT SPINNER BALANCE WEIGHTS IAW MM.  VIBRATION CHECKED GOOD WITH 0.5 MAX INDICATED

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