# SDR 99ZZZX1716

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [Paradigm Aerospace Corporation, repair station GS1R177K](https://openairdocs.org/faa-repair-station/GS1R177K/paradigm-aerospace-corporation.md) (OpenAirDocs)
- Aircraft: [N97SP](https://openairdocs.org/aircraft/N97SP), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53297
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Disc Pack
- Part number: 40604034010
- Condition: Failed
- Location: T/R Drive
- Part time: 28 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX1716

## Discrepancy

DISC PACK FAILED.  REPLACED WITH NEW DISC PACKS FROM BELL HELICOPTER.  C/W AD 97-24-17.

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