Narrative:

I was in ZZZ on the flight before fueling on the ramp for my flight when the fuel truck broke down while fueling our right wing. The station manager came up and advised me of the situation and told me that they were going to get a new truck. They came back and fueled our plane and I continued to our destination without event. Later that day I returned on the event flight when I was 14 minutes away from ZZZ the right engine surged several times. I looked at the engine instruments and they were indicating nominal. There was a perceived loss of power temporarily as the RPM gauge dropped and the manifold fluctuated for the right engine. I pulled out the QRH for engine failure in flight and prepared for a engine failure. I advised ARTCC of the situation out of precaution. I advised soc; and station ops that trucks would follow us to the ramp. Once I was on the ground I advised my passengers of the situation talked with arff; maintenance manager; dispatch; station operations; and station manager. I made a maintenance log book entry and talked to the maintenance chief in ZZZ about the situation and suspected fuel contamination.the flight prior to the incident the fuel truck that was fueling our airplane broke down and was unable to pump fuel after fueling our right wing. They replaced the truck with a new one and continued fueling operations. My suspicion was the fuel truck break down caused contaminated fuel that became apparent only hours later. Consider sumping the fuel after approved fueling operations if there is a fuel truck break down during fueling of the airplane.

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Original NASA ASRS Text

Title: Air carrier pilot reported that while on approach; the right engine surged several times followed by a temporary loss of power. The pilot reported that during fueling before the flight the fuel truck broke down and was replaced by a different fuel truck which possibly contained contaminated fuel.

Narrative: I was in ZZZ on the flight before fueling on the ramp for my flight when the fuel truck broke down while fueling our right wing. The station manager came up and advised me of the situation and told me that they were going to get a new truck. They came back and fueled our plane and I continued to our destination without event. Later that day I returned on the event flight when I was 14 minutes away from ZZZ the right engine surged several times. I looked at the engine instruments and they were indicating nominal. There was a perceived loss of power temporarily as the RPM gauge dropped and the manifold fluctuated for the right engine. I pulled out the QRH for engine failure in flight and prepared for a engine failure. I advised ARTCC of the situation out of precaution. I advised SOC; and station ops that trucks would follow us to the ramp. Once I was on the ground I advised my passengers of the situation talked with ARFF; maintenance manager; Dispatch; station OPS; and Station Manager. I made a maintenance log book entry and talked to the maintenance chief in ZZZ about the situation and suspected fuel contamination.The flight prior to the incident the fuel truck that was fueling our airplane broke down and was unable to pump fuel after fueling our right wing. They replaced the truck with a new one and continued fueling operations. My suspicion was the fuel truck break down caused contaminated fuel that became apparent only hours later. Consider sumping the fuel after approved fueling operations if there is a fuel truck break down during fueling of the airplane.

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.