A fokker 100 in cruise noted a fuel imbal between main tanks then discovered fuel xfeed valves circuit breaker tripped with no indication of valve position.

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Attributes
ACN	482716
Time
Date	200008
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : bna.airport
State Reference	TN
Environment
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Fokker 100
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	482716
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial
ASRS Report	482717
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : left tank fuel qty ind other flight crewa other flight crewb
Resolutory Action	none taken : anomaly accepted
Consequence	other other
Supplementary
Problem Areas	Flight Crew Human Performance Aircraft
Primary Problem	Aircraft

Narrative:

In-flight into bna, we found a fuel imbal of about 200 pounds. We attempted to xfeed to correct the fuel imbal. The xfeed valve would not give the correct indication that it was open. We found a popped circuit breaker. We ran the engine on the side of the fuel tank with the most fuel at a greater fuel flow. The imbal got worse. We declared minimum fuel and stated we had a xfeed fuel problem, but we were not declaring an emergency. We landed uneventfully.

Original NASA ASRS Text

Title: A FOKKER 100 IN CRUISE NOTED A FUEL IMBAL BTWN MAIN TANKS THEN DISCOVERED FUEL XFEED VALVES CIRCUIT BREAKER TRIPPED WITH NO INDICATION OF VALVE POS.

Narrative: INFLT INTO BNA, WE FOUND A FUEL IMBAL OF ABOUT 200 LBS. WE ATTEMPTED TO XFEED TO CORRECT THE FUEL IMBAL. THE XFEED VALVE WOULD NOT GIVE THE CORRECT INDICATION THAT IT WAS OPEN. WE FOUND A POPPED CIRCUIT BREAKER. WE RAN THE ENG ON THE SIDE OF THE FUEL TANK WITH THE MOST FUEL AT A GREATER FUEL FLOW. THE IMBAL GOT WORSE. WE DECLARED MINIMUM FUEL AND STATED WE HAD A XFEED FUEL PROB, BUT WE WERE NOT DECLARING AN EMER. WE LANDED UNEVENTFULLY.

Data retrieved from NASA's ASRS site as of July 2007 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.