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Beechcraft 58 pilot reported having difficulty retarding the left throttle lever to start a descent. The engine was secured and a single engine approach and landing was completed.
| Attributes | |
| ACN | 1390135 |
| Time | |
| Date | 201609 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | Baron 58/58TC |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Descent |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Throttle/Power Lever |
| Person 1 | |
| Function | Pilot Flying Single Pilot |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
After receiving a clearance to initiate our descent from 8;000; I began to pull our power back to slow down our aircraft's speed in the descent. While pulling the throttles back I noted that the left throttle would not pull back. The right throttle lever had full motion; but the left throttle could only move forward; not backwards.after making center aware of the situation; we trouble shot the problem and could not get the left throttle to move backwards. We then [requested priority handling] with center and carefully performed a precautionary shut down of the left engine. This was followed by a visual approach to the runway while using the ILS as an aid. A single engine landing was commenced and the aircraft was landed safely on the runway.overall; I believe communication between the pilots and ATC was a key component to the safety of this emergency. The pilots kept calm and did not rush to shut down the left engine. The emergency felt like a routine training flight; even though it was an actual emergency.while talking to center we asked if anyone might have knowledge of this type of problem and to how to fix it. Sadly; no one knew how to fix this problem.
Original NASA ASRS Text
Title: Beechcraft 58 pilot reported having difficulty retarding the left throttle lever to start a descent. The engine was secured and a single engine approach and landing was completed.
Narrative: After receiving a clearance to initiate our descent from 8;000; I began to pull our power back to slow down our aircraft's speed in the descent. While pulling the throttles back I noted that the left throttle would not pull back. The right throttle lever had full motion; but the left throttle could only move forward; not backwards.After making Center aware of the situation; we trouble shot the problem and could not get the left throttle to move backwards. We then [requested priority handling] with Center and carefully performed a precautionary shut down of the left engine. This was followed by a visual approach to the runway while using the ILS as an aid. A single engine landing was commenced and the aircraft was landed safely on the runway.Overall; I believe communication between the pilots and ATC was a key component to the safety of this emergency. The pilots kept calm and did not rush to shut down the left engine. The emergency felt like a routine training flight; even though it was an actual emergency.While talking to Center we asked if anyone might have knowledge of this type of problem and to how to fix it. Sadly; no one knew how to fix this problem.
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.