# SDR SWAA2012103008978

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2012
- Submitted: October 30, 2012
- Operation: Air carrier
- Aircraft: [N706SW](https://openairdocs.org/aircraft/N706SW), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27840
- Aircraft time: 52,443 hours, 30,873 cycles
- Engine: Cfmint CFM567B22
- Engine time: 14,406 hours, 8,595 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: 0720035
- Part serial: 890853
- Condition: Failed
- Location: Left
- Stage of operation: UK
- How discovered: O
- Nature of condition: Y
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2012103008978

## Discrepancy

INFLIGHT SHUT DOWN/AIR TURNBACK/DECLARED EMERGENCY.  LOUD BANG HEARD IN COCKPIT FOLLOWED BY FAILURE OF THE NR 1 ENGINE.  REMOVED AND REPLACED NR 1 ENGINE PER MT.

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