# SDR SWAA2012032702614

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2012
- Submitted: March 27, 2012
- Operation: Air carrier
- Aircraft: [N451WN](https://openairdocs.org/aircraft/N451WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32495
- Aircraft time: 29,753 hours, 17,265 cycles
- Engine: Cfmint CFM567B22
- Engine time: 29,753 hours, 17,265 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: CFM567B24G22
- Part serial: 890725
- Condition: Failed
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2012032702614

## Discrepancy

INFLIGHT SHUT DOWN / AIR TURNBACK / DECLARED EMERGENCY.  NR 1 ENG FAILURE WITH A LOUD BANG CLIMBING THROUGH 32,000FT.  REMOVED & REPLACED NR 1 ENGINE PER MT.

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