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A dhc-8-300 autofeather remained armed after takeoff with the switch was de-selected during the after takeoff flow; so the flight returned to the departure airport but the system deactivated prior to landing.
| Attributes | |
| ACN | 1098521 |
| Time | |
| Date | 201306 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.TRACON |
| State Reference | US |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Dash 8-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Propeller Autofeather System |
| Person 1 | |
| Function | Pilot Not Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Maintenance |
Narrative:
After setting climb power and completing the associated flow upon working the after takeoff checklist I noticed that the auto-feather selection button still had the amber 'arm' light relit with the switch deselected during the after takeoff flow. The system re-armed the auto-feather and was notified that the aircraft has had a history of that happening. Contacted company and maintenance made the decision for us to return to the departure airport to have maintenance work on the plane there and upon returning to the field the amber 'arm' indication extinguished itself.
Original NASA ASRS Text
Title: A DHC-8-300 autofeather remained armed after takeoff with the switch was de-selected during the after takeoff flow; so the flight returned to the departure airport but the system deactivated prior to landing.
Narrative: After setting climb power and completing the associated flow upon working the after takeoff checklist I noticed that the auto-feather selection button still had the amber 'Arm' light relit with the switch deselected during the after takeoff flow. The system re-armed the auto-feather and was notified that the aircraft has had a history of that happening. Contacted company and Maintenance made the decision for us to return to the departure airport to have maintenance work on the plane there and upon returning to the field the amber 'arm' indication extinguished itself.
Data retrieved from NASA's ASRS site as of July 2013 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.