# SDR IAVA201704050001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2017
- Submitted: April 5, 2017
- Operation: Air carrier
- Aircraft: [N20WH](https://openairdocs.org/aircraft/N20WH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53377
- Aircraft time: 5,382 hours, 4,517 cycles
- Engine: Allsn 250C47B
- Engine time: 3,308 hours, 4,517 cycles
- System (JASC): [7240 · Turbine Engine Combustion Section](https://openairdocs.org/jasc/7240)
- Part: Combustion Case
- Part number: 23030911K
- Part serial: 41426
- Condition: Cracked
- Location: Engine
- Part time: 3,263 hours, 4,517 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IAVA201704050001

## Discrepancy

OUTER COMBUSTION CASE HAS A CRACK ABOUT 270 DEGREES AROUND FUEL NOZZLE BOSS.

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