# SDR 20000518SH002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2000
- Submitted: May 18, 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
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Disc Pack
- Part number: 407340340101
- Condition: Cracked
- Location: T/R Drive
- Part time: 813 hours
- Component: T/R Driveshaft, Bell
- Component part number: 407040302103
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20000518SH002

## Discrepancy

DURING 25-HOUR AD INSPECTION, FOUND NR 5 COUPLING CRACKED THROUGH ONE LAMINATE ON AFT FACING SIDE OF COUPLING, POSSIBLE CAUSE UNKNOWN.  (X)

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