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BE90 first officer reported returning to departure airport after the left engine was shut down in flight because power could not be reduced below max.
| Attributes | |
| ACN | 1312809 |
| Time | |
| Date | 201511 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | King Air C90 E90 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Climb |
| Route In Use | Direct |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Turbine Engine |
| Person 1 | |
| Function | Pilot Flying First Officer |
| Qualification | Flight Crew Commercial Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 200 Flight Crew Total 1200 Flight Crew Type 1000 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
On departure the power on our #1 (left) engine stuck at max power. We had not noticed any abnormalities during preflight or our run ups. We continued on our flight plan; notified ATC; and attempted some troubleshooting steps to fix the issue. After about 30 minutes of flying / troubleshooting; we opted to return to ZZZ. We planned the RNAV approach; and shut the engine down while descending to the initial approach fix; rather than try to land with 1 engine at max power. We [advised ATC] as we were now single engine; and proceeded to fly the approach and land without incident.
Original NASA ASRS Text
Title: BE90 First Officer reported returning to departure airport after the left engine was shut down in flight because power could not be reduced below max.
Narrative: On departure the power on our #1 (left) engine stuck at max power. We had not noticed any abnormalities during preflight or our run ups. We continued on our flight plan; notified ATC; and attempted some troubleshooting steps to fix the issue. After about 30 minutes of flying / troubleshooting; we opted to return to ZZZ. We planned the RNAV approach; and shut the engine down while descending to the initial approach fix; rather than try to land with 1 engine at max power. We [advised ATC] as we were now single engine; and proceeded to fly the approach and land without incident.
Data retrieved from NASA's ASRS site 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.