# SDR CALA2012070500429

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2012
- Submitted: July 5, 2012
- Operation: Air carrier
- Aircraft: [N17730](https://openairdocs.org/aircraft/N17730), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28798
- Aircraft time: 44,209 hours, 14,667 cycles
- Engine: Cfmint CFM567B242
- Engine time: 35,960 hours, 12,900 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Failed
- Location: Nr 2
- Stage of operation: CL
- How discovered: O
- Nature of condition: Y, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2012070500429

## Discrepancy

NR 2 ENGINE FAILED, CLIMBING THRU 1100.  MASSIVE FAILURE WITH LOUD BANG.  N1 & N2 SEIZED,  RETURNED TO DEPARTURE.  R & R NR 2 ENGINE IAW W/C 29-7100-1-0900 & 29-7100-1-4900 NO LEAKS NOTED, OPS CHECKED NORMAL.

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