# SDR CA130930008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2013
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft time: 8,641 hours
- Engine: Allsn 250C47B
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Disc Pack
- Part number: 407340340103
- Condition: Cracked
- Location: Tail Rotor
- Part time: 3,306 hours
- 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/CA130930008

## Discrepancy

(CAN) UPON INSPECTION THE ENGINEER FOUND 1 OF THE DISCS IN THE DISC PACK CRACKED AND CORRODED.  THE DISC PACK WAS REPLACED.  THIS ACFT HAD A DISC CRACKED IN 2009 AND HAS FLOWN OVER 3300 HOURS SINCE THE LAST INCIDENT.

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