# SDR SWIA200820321

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2008
- Submitted: November 11, 2008
- Operation: Air carrier
- Aircraft: [N578SW](https://openairdocs.org/aircraft/N578SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120346
- Aircraft time: 21,798 hours, 30,553 cycles
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Pcu
- Condition: Malfunctioned
- Location: Lt Propeller
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA200820321

## Discrepancy

FLT 5603 - EEC IN MANUAL, LEFT NP FLUCTUATES BETWEEN 101.6 AND 96.9 WITH CLIMB TORQUE AND PROPS MAX.  REPLACED LEFT ENGINE PCU.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
