# SDR 20000510SH030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2000
- Submitted: May 10, 2000
- Operation: General aviation
- Aircraft: [N7ZB](https://openairdocs.org/aircraft/N7ZB), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53329
- System (JASC): [6300 · Main Rotor Drive System](https://openairdocs.org/jasc/6300)
- Part: Seal
- Part number: 406340102101
- Condition: Leaking
- Location: M/R Drive
- Part time: 159 hours
- 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/20000510SH030

## Discrepancy

SEAL LEAKING ON FREEWHEELING UNIT OUT, BETWEEN ENGINE AND TRANSMISSION.  REPLACED WITH NEW SEAL FROM BELL HELICOPTER.  (X)

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