# SDR 97ZZZX4470

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N437AL](https://openairdocs.org/aircraft/N437AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53141
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Frahm Assy
- Part number: 407010150103
- Condition: Deteriorated
- Location: M/R Head
- Stage of operation: IN
- Nature of condition: E
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX4470

## Discrepancy

LATERAL VIBRATION IN AIRCRAFT.  FOUND ALL RUBBER PARTS DETERIORATED (ERASER TYPE WEAR) INSIDE FRAHM ASSEMBLY.

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