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A single pilot reports he had to turn off his engine in a C-170 aircraft on a very short final because the throttle would not close completely resulting in too much power.
| Attributes | |
| ACN | 1119637 |
| Time | |
| Date | 201309 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Cessna 170 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Landing |
| Route In Use | Direct |
| Flight Plan | None |
| Component | |
| Aircraft Component | Carburetor |
| Person 1 | |
| Function | Single Pilot |
| Qualification | Flight Crew Private |
| Experience | Flight Crew Last 90 Days 40 Flight Crew Total 1700 Flight Crew Type 1400 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Inflight Event / Encounter Fuel Issue |
Narrative:
On approach to landing; I discovered the throttle would not completely close resulting in too much power for a normal approach/landing. On very short final I turned off the engine and landed the airplane. When on the ground I notified the tower that I had turned off the engine on short final and would be coasting off runway at taxiway-F. I announced to the tower that I had cleared runway-32 and would attempt a restart to taxi to the FBO. On restart; the engine speed remained high as the throttle would not close completely. The tower instructed me to taxi to the ramp via taxiways 'a' and 'east'; which I did without issue. Mechanical work [was] performed by an FBO over the next two days and resulted in the discovery of a detached accelerator pump discharge tube in the carburetor and subsequent replacement with a factory overhauled carburetor. At no time was there an emergency situation; or a declaration of an emergency situation by the pilot.
Original NASA ASRS Text
Title: A single pilot reports he had to turn off his engine in a C-170 aircraft on a very short final because the throttle would not close completely resulting in too much power.
Narrative: On approach to landing; I discovered the throttle would not completely close resulting in too much power for a normal approach/landing. On very short final I turned off the engine and landed the airplane. When on the ground I notified the Tower that I had turned off the engine on short final and would be coasting off runway at Taxiway-F. I announced to the Tower that I had cleared Runway-32 and would attempt a restart to taxi to the FBO. On restart; the engine speed remained high as the throttle would not close completely. The Tower instructed me to taxi to the Ramp via Taxiways 'A' and 'E'; which I did without issue. Mechanical work [was] performed by an FBO over the next two days and resulted in the discovery of a detached Accelerator Pump Discharge tube in the carburetor and subsequent replacement with a factory overhauled carburetor. At no time was there an emergency situation; or a declaration of an emergency situation by the pilot.
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.