# SDR 20000424SH019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2000
- Submitted: April 24, 2000
- Operation: General aviation
- Aircraft: N37488
- Make and model: Bell 206B
- Registry model: [Bell 206B](https://openairdocs.org/model/bell-206b) (OpenAirDocs)
- Aircraft serial: 2188
- Engine: Allsn 250C20
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Bearing
- Part number: 6887772D
- Part serial: JJ16075
- Condition: Making Metal
- Location: Gearbox
- Component: Gearbox, Allsn
- 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/20000424SH019

## Discrepancy

METAL FLAKES DETECTED ON MAGNETIC PICK-UP IN LOWER GEARBOX AND OIL PUMP MAGNETIC PICK-UP.  DISASSEMBLED GEARBOX FOR INSPECTION.  BEARING INNER AND OUTER RACES BOTH HAD AREAS THAT HAD FLAKED OFF METAL.  (X)

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