# SDR MYWA110134

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2011
- Submitted: December 23, 2011
- Operation: Air carrier
- Aircraft: [N742MA](https://openairdocs.org/aircraft/N742MA), registered now
- Make and model: Boeing 737-83N
- Registry model: [Boeing 737-83N](https://openairdocs.org/model/boeing-737-83n) (OpenAirDocs)
- Aircraft serial: 30675
- Aircraft time: 27,625 hours, 11,330 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibration
- Location: Nr 1
- Stage of operation: NR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MYWA110134

## Discrepancy

ETOPS SIGNIFICANT SYSTEM:  NR 1 ENG VIBRATION ERRATIC FROM OFF BACK LOW TO OFF SCALE HIGH.  NO VIBRATION NOTED BY CREW.

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