# SDR 99ZZZX1683

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N174AL](https://openairdocs.org/aircraft/N174AL), registered now
- Make and model: Bell 206L-4
- Registry model: [Bell 206L-4](https://openairdocs.org/model/bell-helicopter-textron-canada-206l-4) (OpenAirDocs)
- Aircraft serial: 52067
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Trunnion
- Part number: 206011120103
- Condition: Corroded
- Location: M/R Hub
- Component: 206011100159
- 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/99ZZZX1683

## Discrepancy

SPLINES BADLY CORRODED.  TRUNNION SCRAPPED AT 1/2 LIFE.

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