# SDR EVCA202011031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2020
- Submitted: November 3, 2020
- Operation: Air carrier
- Aircraft: [N489AE](https://openairdocs.org/aircraft/N489AE), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 54059
- Aircraft time: 5,544 hours, 14,397 cycles
- Engine: Allsn 250C47B
- System (JASC): [7240 · Turbine Engine Combustion Section](https://openairdocs.org/jasc/7240)
- Part: Combustion Liner
- Part number: 23064570
- Condition: Cracked
- Location: Engine
- 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/EVCA202011031

## Discrepancy

DURING HOT SECTION INSPECTION FOLLOWING TOT EXCEEDANCE, CRACKS IN THE COMBUSTION LINER WERE FOUND.

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