# SDR CA000720012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2000
- Submitted: July 24, 2000
- Operation: General aviation
- Make and model: Bell 206B
- Registry model: [Bell 206B](https://openairdocs.org/model/bell-206b) (OpenAirDocs)
- Aircraft time: 10,829 hours
- Engine: Allsn 250C20
- System (JASC): [7240 · Turbine Engine Combustion Section](https://openairdocs.org/jasc/7240)
- Part: Combustion Chamb
- Part number: 23031260
- Condition: Cracked
- Location: Patch Area
- Part time: 13,900 hours
- Component: Engine Turbine, Allsn, 6898734
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA000720012

## Discrepancy

(CAN) A HIGHER THAN NORMAL T.O.T. WAS EXPERIENCED UNDER NORMAL OPERATING TO-QUE SETTINGS.  AIRCRAFT ENGINE WAS INSPECTED UPON LANDING TO DETECT A POSSIBLE MALFUNCTION.  A CRACK WAS DISCOVERED IN THE COMBUSTION CASE ASSEMBLY IN THE REINFORCED PATCH AREA OF THE LEFT TUBE INSIDE CURVE AREA.  A PREVIOUS AND RECURRING PROBLEM; HENCE, THE REINFORCING PATCH.

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