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While on approach an SF340 flight crew manually adjusted the propeller RPM following an overspeed condition when the condition levers were advanced to maximum.
| Attributes | |
| ACN | 896665 |
| Time | |
| Date | 201006 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | IMC |
| Aircraft 1 | |
| Make Model Name | SF 340B |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Propeller Control |
| Person 1 | |
| Function | First Officer |
| Qualification | Flight Crew Commercial |
| Experience | Flight Crew Last 90 Days 44 Flight Crew Total 3500 Flight Crew Type 2200 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
Configuring for the ILS approach for runway 9 outside of the outer marker; the condition levers were advanced to maximum. When they were pushed forward the right propeller RPM went to 1;450. The propeller overspeed was identified and the emergency non-normal checklist was completed. The propeller was able to be set to desired RPM and the decision to continue the approach was made. The landing was uneventful.
Original NASA ASRS Text
Title: While on approach an SF340 flight crew manually adjusted the propeller RPM following an overspeed condition when the condition levers were advanced to maximum.
Narrative: Configuring for the ILS approach for Runway 9 outside of the outer marker; the condition levers were advanced to maximum. When they were pushed forward the right propeller RPM went to 1;450. The propeller overspeed was identified and the Emergency Non-Normal Checklist was completed. The propeller was able to be set to desired RPM and the decision to continue the approach was made. The landing was uneventful.
Data retrieved from NASA's ASRS site as of April 2012 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.