# SDR C77A20161027002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2016
- Submitted: October 27, 2016
- Operation: Air carrier
- Aircraft: N625CZ
- 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: 17000225
- Aircraft time: 23,326 hours, 13,451 cycles
- Engine: Ge CF348E5
- 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, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C77A20161027002

## Discrepancy

AFTER TAKEOFF, THE CREW EXPERIENCED A VIBRATION IN THE AMBER INDICATION ON THE NR 1 ENGINE. AIRCRAFT RETURNED TO DEPARTURE.  DECLARED AN EMERGENCY.  THROTTLE RETARDED AND VIBRATION DECREASED. VIBRATION INCREASED WHEN THROTTLE ADVANCED. NO VIBRATION FELT.  72-00-00-700-801, SUB TASK 72-00-00-760-234. ALL WITHIN LIMITS,  OK FOR SERVICE.

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