# SDR CA000921005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2000
- Submitted: January 19, 2001
- Operation: General aviation
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft time: 1,264 hours
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Disc Pack
- Part number: 407340340101
- Condition: Cracked
- Location: Tail Rotor
- 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/CA000921005

## Discrepancy

(CAN) CRACKS ON FORE AND AFT OUTER DISC SEGMENTS.   INSTALLED AT 1202.8 HOURS, DECEMBER 12, 1999.  NR 7 BEARING  INSTALLED AT 1060.2 HOURS, SEPTEMBER 17, 1999.  NR 3 BEARING (UNDER OIL COOLER).

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