# SDR EVCA201711061

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2017
- Submitted: November 9, 2017
- Operation: Air carrier
- Aircraft: [N447AE](https://openairdocs.org/aircraft/N447AE), registered now
- Make and model: Bell 206L-4
- Registry model: [Bell 206L-4](https://openairdocs.org/model/bell-helicopter-textron-canada-206l-4) (OpenAirDocs)
- Aircraft serial: 52454
- Aircraft time: 2,077 hours, 5,165 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: 206033110239
- Condition: Cracked
- Location: Zone 100
- Part time: 2,077 hours, 5,165 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EVCA201711061

## Discrepancy

DURING MAINTENANCE INSPECTION OF THE AIRCRAFT FOUND THE TOP END OF THE RT AFT VERTICAL CONTROL TUBE TUNNEL STIFFENER CRACKED.

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