# SDR 20000518SH005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2000
- Submitted: May 18, 2000
- Operation: General aviation
- Aircraft: [N687AL](https://openairdocs.org/aircraft/N687AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53366
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Bearing
- Part number: 407340339103
- Part serial: M980660
- Condition: Leaking
- Location: Shaft Hanger
- Component: T/R Driveshaft, Bell
- 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/20000518SH005

## Discrepancy

DURING RECURRING 25-HOUR INSPECTION AND BEARING LUBRICATION (PER ASB 407-00-35/AD 2000-02-12),  DURING LUBRICATION, ACCUMULATED GREASE EXPELLED FROM AROUND THE SEAL IS BLACK DETERMINING BEARING IS DAMAGED.  (X)

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