# SDR 20000807SH010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2000
- Submitted: August 7, 2000
- Operation: General aviation
- Aircraft: [N627AL](https://openairdocs.org/aircraft/N627AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53284
- Aircraft time: 2,534 hours
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Disc Pack
- Part number: 407340340101
- Part serial: RFNS1860
- Condition: Cracked
- Location: Tail Rotor
- Part time: 153 hours
- Component: T/R Driveshaft
- Component part number: 407040303107
- 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/20000807SH010

## Discrepancy

AFT COUPLING OF NR 2 TAILROTOR DRIVESHAFT HAS A CRACK ACROSS THE SPAN ON THE FORWARD AND AFT SEGMENTS OF THE DISC PACK.    (X)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.