# SDR COMA9610126

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N265CA](https://openairdocs.org/aircraft/N265CA), registered now
- Make and model: Emb EMB-120RT
- Registry model: [EMB EMB-120RT](https://openairdocs.org/model/embraer-emb-120rt) (OpenAirDocs)
- Aircraft serial: 120257
- Propeller: Hamstd 14RF9
- System (JASC): [6114 · Propeller Hub Section](https://openairdocs.org/jasc/6114)
- Part: Relief Valve
- Part number: 7822911
- Condition: Malfunctioned
- Location: Lt Prop
- Stage of operation: TX
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA9610126

## Discrepancy

LEFT PROPELLER HAS UNUSUAL VIBRATION AND IS SLOW TO ACCELERATE WHEN COMING OUT OF FEATHER.  REPLACED THE PROPELLER HUB RELIEF VALVE.

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