Narrative:

I was the captain and flying the aircraft into bru-ebbr. ATIS reported landing on runway 25L. Due to a buildup, we were sent north of the published arrival. Heading east, we were downwind and north of the airport for a right base to runway 25L. Approach then changed our landing runway to runway 25R. We re-selected the ILS to runway 25R and idented it. We were then given a heading to intercept the localizer, and cleared for the approach to runway 25R. What we had not done in our haste was to change the runway/ILS selected in the FMC, so the map display showed the extended centerline of runway 25L. False localizer captures are a known problem at bru and I had seen that a few times, once earlier in the month for runway 25L. The autoplt was in use and the localizer was captured. I looked at the map display and saw we were still well right of the centerline. So I stated out loud that I thought we had a false localizer capture and returned to the intercept heading. We were IMC IFR in the clouds of a passing shower without visual contact with the airport. At some point, approach asked if we knew that we were cleared to runway 25R, then turned us to the right to heading 280 degrees to intercept the localizer. About this time, the second copilot saw runway 25L was on the map. At that point, the clouds broke some and I could see runway 25L. After reaching the runway 25R localizer I could see the runway clearly. I felt the workload increasing and thought it would add to the confusion. I elected to make a missed approach. I believed we were too fast and a little high. This caught approach control by surprise, but we were then issued vectors for another approach to runway 25R.

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Original NASA ASRS Text

Title: RWY CHANGE. FMC NOT PROGRAMMED, GAR.

Narrative: I WAS THE CAPT AND FLYING THE ACFT INTO BRU-EBBR. ATIS RPTED LNDG ON RWY 25L. DUE TO A BUILDUP, WE WERE SENT N OF THE PUBLISHED ARR. HEADING E, WE WERE DOWNWIND AND N OF THE ARPT FOR A R BASE TO RWY 25L. APCH THEN CHANGED OUR LNDG RWY TO RWY 25R. WE RE-SELECTED THE ILS TO RWY 25R AND IDENTED IT. WE WERE THEN GIVEN A HDG TO INTERCEPT THE LOC, AND CLRED FOR THE APCH TO RWY 25R. WHAT WE HAD NOT DONE IN OUR HASTE WAS TO CHANGE THE RWY/ILS SELECTED IN THE FMC, SO THE MAP DISPLAY SHOWED THE EXTENDED CTRLINE OF RWY 25L. FALSE LOC CAPTURES ARE A KNOWN PROB AT BRU AND I HAD SEEN THAT A FEW TIMES, ONCE EARLIER IN THE MONTH FOR RWY 25L. THE AUTOPLT WAS IN USE AND THE LOC WAS CAPTURED. I LOOKED AT THE MAP DISPLAY AND SAW WE WERE STILL WELL R OF THE CTRLINE. SO I STATED OUT LOUD THAT I THOUGHT WE HAD A FALSE LOC CAPTURE AND RETURNED TO THE INTERCEPT HDG. WE WERE IMC IFR IN THE CLOUDS OF A PASSING SHOWER WITHOUT VISUAL CONTACT WITH THE ARPT. AT SOME POINT, APCH ASKED IF WE KNEW THAT WE WERE CLRED TO RWY 25R, THEN TURNED US TO THE R TO HDG 280 DEGS TO INTERCEPT THE LOC. ABOUT THIS TIME, THE SECOND COPLT SAW RWY 25L WAS ON THE MAP. AT THAT POINT, THE CLOUDS BROKE SOME AND I COULD SEE RWY 25L. AFTER REACHING THE RWY 25R LOC I COULD SEE THE RWY CLRLY. I FELT THE WORKLOAD INCREASING AND THOUGHT IT WOULD ADD TO THE CONFUSION. I ELECTED TO MAKE A MISSED APCH. I BELIEVED WE WERE TOO FAST AND A LITTLE HIGH. THIS CAUGHT APCH CTL BY SURPRISE, BUT WE WERE THEN ISSUED VECTORS FOR ANOTHER APCH TO RWY 25R.

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.