# SDR CA110725016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2011
- Submitted: September 9, 2011
- Operation: Air carrier
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft time: 7,261 hours
- Engine: Allsn 250C47B
- System (JASC): [7240 · Turbine Engine Combustion Section](https://openairdocs.org/jasc/7240)
- Part: Combustion Case
- Part number: 23030911
- Condition: Cracked
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA110725016

## Discrepancy

3.5 " CRACK FOUND ON HORIZ WELD LINE OF OUTER COMBUSTION CASE BY AME DURING POST FLIGHT INSPECTION.  COMBUSTION CASE AND INNER COMBUSTION LINER REPLACED PRIOR TO FUTHER FLIGHT. CAUSE UNKNOWN.

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