# SDR SWAA2016080154356

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2016
- Submitted: August 1, 2016
- Operation: Air carrier
- Aircraft: [N461WN](https://openairdocs.org/aircraft/N461WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32465
- Aircraft time: 43,372 hours, 25,294 cycles
- Engine: Cfmint CFM567B22
- Engine time: 39,226 hours, 22,738 cycles
- 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
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2016080154356

## Discrepancy

HIGH VIBRATION INDICATION ON NR 1 ENGINE.  DECLARED EMERGENCY AND AIR TURNBACK.  R & R THE NR 1 ENGINE IAW MM.

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