# SDR SWIA201436218

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2014
- Submitted: February 5, 2014
- Operation: Air carrier
- Aircraft: N271YV
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120271
- Aircraft time: 43,751 hours, 59,350 cycles
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Pcu
- Condition: Malfunctioned
- Location: Rt Propeller
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA201436218

## Discrepancy

DURING INITIAL CLIMB RT PROP BEGAN FLUCTUATING +/- 5%.  AFTER SETTING REDUCED, NP FLUCTUATION CONTINUED +/- 5%.  WHILE RETURNING TO FIELD, FLUCTUATION STOPPED.  FLT 7391 REPLACED RT PROP PCU IAW AMM, PN 782490-46, SN ON 950440 & SN OFF 960438.

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