# SDR COMA9610187

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N249CA](https://openairdocs.org/aircraft/N249CA), registered now
- Make and model: Emb EMB-120RT
- Registry model: [EMB EMB-120RT](https://openairdocs.org/model/embraer-emb-120rt) (OpenAirDocs)
- Aircraft serial: 120230
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Pcu
- Part number: 78249012
- Condition: Malfunction
- Location: Lt Engine
- Stage of operation: UK
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA9610187

## Discrepancy

LEFT ENGINE PROPELLER RPM WAS ONLY 98 PERCENT WHEN SET FOR MAX RPM.  REPLACED THE LT PROPELLER CONTROL UNIT.

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