2025-01 · NASA ASRS report 2202176
C402 flight crew reported rough running engine on short final and subsequent failure during landing roll.
Departure; enroute; and descent was normal. 2-3 miles prior to the FAF on the RNAV X in ZZZ I went in range. Upon reducing power to 20 inches the aircraft developed a noticeable vibration. All engine instrument were green (oil temperature; pressure; and CHT). At the FAF I intercepted the glide and completed the before landing flow and checklist. The vibration persisted and all engine indications remained normal. On short final; around 200 ft AGL and in VMC; the aircraft required a lot of right rudder and I had to increase throttle to around 25 in. to maintain airspeed. The touchdown was normal but during the roll out I noticed the left engine had failed and the prop had stopped. I rolled down to taxiway 1 and exited the runway. I was unable to taxi to the terminal on one engine due to the slippery snow covered taxiway. After making contact with the airports director of maintenance; he came out to assist and I shutdown the aircraft on the taxiway. When I exited the aircraft he pointed out fuel streaming out of the left engine. Airport maintenance was unable to tow the aircraft in due to the slippery taxiway. I contacted Operations Control and notified them of the situation and continued working with airport maintenance while FO contacted Maintenance Control. The aircraft was left on the taxiway for the night and the airport issued a NOTAM about the disabled aircraft and taxiway closure.Cause: Failing left engine. The aircraft had two previous write ups immediately before our flight for the left engine shutting down on the ground.Suggestions: A more thorough investigation of engine issues that are written up back to back.
The flight progressed in normal conditions until the beginning of R-NAV X approach in ZZZ. I was the pilot monitoring. Upon setting the engines to In Range mode during instrument approach; the airplane started to vibrate. However; engine instruments scan did not show anything abnormal(Eng temp; oil pressure; CHT temp; manifold pressure; RPM; shaiden fuel flow.) Upon reaching final approach fix; [Captain] completed pre-landing check list. During that time; vibration continued. We broke to VMC around 1500 ft. On short final leg(around 200 ft AGL) [Captain] noticed that he needed to apply much more right rudder and had to add power on both throttles. The landing happened in normal parameters within touch down zone. However; left engine shut down itself upon setting throttles to IDLE position. [Captain] was able to vacate the Runway X on taxiway 1 using power of the right engine only. The same time; the airplane was unable to proceed taxiing to the gate on one engine because of asymmetric trust and slippery/snowy taxiway conditions. The attempt to restart left engine was unsuccessful. We shut down the right engine and call the airport management to assist. He was unable to tow our airplane on his tag to the gate. After conversation with Operations Control; [Company] pilot on duty and ZZZ airport manager; the decision was made to leave the airplane on taxiway until next morning and to create a NOTAM by the airport administration. Upon leaving the airplane; we noticed a fuel streaming from the left engine for some time. We have stayed next to the airplane to see how the situation with fuel leak progresses. Approximately in 10 the fuel leak stopped. We have secured the airplane per companies' procedures and left it. Cause: Unproperly maintained airplane. There were 2 write ups before our flight on the left engine of the airplane about shutting down at IDLE throttle position. Second time; the mechanic did not discover any problems and just returned the airplane to service. Suggestions: Deep diving by maintenance personnel to the problem reported by crew and a test flight after the maintenance on the left engine.
Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.
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