Narrative:

Passenger notified crew that they observed a leak from the right wing area. First officer and captain made a visual inspection of the leak and made the decision to run the fuel leak checklist. In the process we advised dispatch and maintenance and made a decision to divert to den. The onboard indications did not reflect a lower than normal fuel score. The synoptic display pages displayed normal fuel values and there were no indications that demonstrated that we were experiencing a significant fuel leak. We made a decision to divert to den after sending company dispatch a message and we made an uneventful landing in den. The den airport had a fire vehicle approach the aircraft after we stopped on the taxiway. The inspection revealed no fuel leak. Maintenance found a defect with the top right wing fuel cap and it was replaced. We continued onto the final destination. The fuel cap worked well on the subsequent leg. Both dispatch and maintenance proved to be a useful resource and the ZDV facility gave us excellent handling as we made the decision to change the destination to den.

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Original NASA ASRS Text

Title: AN A319 FLT CREW DIVERTED TO DEN AFTER BEING NOTIFIED THAT A PAX NOTICED A FUEL LEAK DURING A FLT TO ORD.

Narrative: PAX NOTIFIED CREW THAT THEY OBSERVED A LEAK FROM THE R WING AREA. FO AND CAPT MADE A VISUAL INSPECTION OF THE LEAK AND MADE THE DECISION TO RUN THE FUEL LEAK CHKLIST. IN THE PROCESS WE ADVISED DISPATCH AND MAINT AND MADE A DECISION TO DIVERT TO DEN. THE ONBOARD INDICATIONS DID NOT REFLECT A LOWER THAN NORMAL FUEL SCORE. THE SYNOPTIC DISPLAY PAGES DISPLAYED NORMAL FUEL VALUES AND THERE WERE NO INDICATIONS THAT DEMONSTRATED THAT WE WERE EXPERIENCING A SIGNIFICANT FUEL LEAK. WE MADE A DECISION TO DIVERT TO DEN AFTER SENDING COMPANY DISPATCH A MESSAGE AND WE MADE AN UNEVENTFUL LNDG IN DEN. THE DEN ARPT HAD A FIRE VEHICLE APCH THE ACFT AFTER WE STOPPED ON THE TXWY. THE INSPECTION REVEALED NO FUEL LEAK. MAINT FOUND A DEFECT WITH THE TOP R WING FUEL CAP AND IT WAS REPLACED. WE CONTINUED ONTO THE FINAL DEST. THE FUEL CAP WORKED WELL ON THE SUBSEQUENT LEG. BOTH DISPATCH AND MAINT PROVED TO BE A USEFUL RESOURCE AND THE ZDV FACILITY GAVE US EXCELLENT HANDLING AS WE MADE THE DECISION TO CHANGE THE DEST TO DEN.

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.