# SDR 97ZZZX1271

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N3186P
- Make and model: Bell 206L-1
- Registry model: [Bell 206L-1](https://openairdocs.org/model/bell-helicopter-textron-206l-1) (OpenAirDocs)
- Aircraft serial: 45776
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Inner Race
- Part number: 2040401321
- Condition: Making Metal
- Location: Transmission
- Component: 206040004111
- 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/97ZZZX1271

## Discrepancy

METAL CHIPPING AWAY FROM THE INNER RACE OF ONE BEARING SET FROM PLANETARY GEAR SET OF THE MAIN ROTOR TRANSMISSION.  DETECTED BY THE CHIP DETECTOR.

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