# SDR 99ZZZX3468

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N24BM](https://openairdocs.org/aircraft/N24BM), registered now
- Make and model: Beech 99
- Registry model: [Beech 99](https://openairdocs.org/model/beech-99) (OpenAirDocs)
- Aircraft serial: U67
- System (JASC): [7120 · Engine Mount Section](https://openairdocs.org/jasc/7120)
- Part: Isolator
- Part number: 5038913315
- Condition: Deteriorated
- Location: Lt Engine
- 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/99ZZZX3468

## Discrepancy

LEFT ENGINE VIBRATION ISOLATORS APPEAR TO BE DETERIORATED BEYOND NORMAL WEAR.  VIBRATION ISOLATORS WERE REPLACED WITH NEW ISOLATORS.  THE CAUSE OF THE DETERIORATION WAS UNKNOWN AND DID NOT APPEAR TO BE AGE RELATED.

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