# SDR COMA9810081

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N259CA](https://openairdocs.org/aircraft/N259CA), registered now
- Make and model: Emb EMB-120
- Registry model: [EMB EMB-120](https://openairdocs.org/model/embraer-emb-120) (OpenAirDocs)
- Aircraft serial: 120252
- System (JASC): [2434 · DC Generator-Alternator](https://openairdocs.org/jasc/2434)
- Part: Generator
- Part number: 30081001
- Condition: Failed
- Location: Lt Engine
- Part time: 9,949 hours
- Stage of operation: CL
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA9810081

## Discrepancy

UNUSUAL AND STRONG VIBRATION BETWEEN 12,500 AND 13,000 FEET.  INSPECTED AIRCRAFT FOR CAUSE OF VIBRATION AND FOUND NO DEFECTS.  REPLACED LT ENGINE AUX GENERATOR FOR TROUBLE SHOOTING.

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