Narrative:

We were on approach to boi. We began our flight extension at approximately 9000'. As we continued on toward boi we noticed that one of the leading edge devices did not go from extend to full extend. By this time we had been cleared to land and were lined up approximately 4 mi out from runway 28R. I instructed the first officer (I, the captain was flying the aircraft) to retract the flaps to the last position where the led green light was on, then we extended the flaps back to position 15 and the green light remained on. While the first officer was accomplishing this task we requested a left 360 degree turn to re-enter a final approach for landing on runway 28R. There was at this time a considerable amount of radio traffic. The tower cleared us for a left 360 degree turn to runway 28L. We had (both pilots) a mindset to land on runway 28R. At approximately 1000' AGL intended landing runway, at which time we executed a visibility missed approach and informed the tower of our missed approach. At which time the tower inquired as to the reason. When we informed them of the reason, they in turn informed us that we had been cleared to land on runway 28L. The flight then completed a visibility downwind pattern and landed on runway 28L west/O further incident. After landing I made a phone call to the tower apologizing for any misconception on our part and inquiring as to their perception of the incident. They informed me that they had replayed the tapes, and indeed we had been cleared to land on runway 28L after our initial flap extension problem. We became zeroed in on resolving the flap problem and developed a mindset to land on our previously cleared runway 28R. I take full responsibility for this misunderstanding. Further my aircraft has in place thorough training and checking proper procedures for such incidents. I believe I was a little too involved with the flap problem and not enough involved with the radio.

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Original NASA ASRS Text

Title: FLT APCHING BOI RWY 28R CIRCLED TO ATTEND TO LEADING EDGE DEVICE LIGHT CLEARED 28L ROLLED OUT FOR 28R AND HAD TRAFFIC CONFLICT.

Narrative: WE WERE ON APCH TO BOI. WE BEGAN OUR FLT EXTENSION AT APPROX 9000'. AS WE CONTINUED ON TOWARD BOI WE NOTICED THAT ONE OF THE LEADING EDGE DEVICES DID NOT GO FROM EXTEND TO FULL EXTEND. BY THIS TIME WE HAD BEEN CLRED TO LAND AND WERE LINED UP APPROX 4 MI OUT FROM RWY 28R. I INSTRUCTED THE F/O (I, THE CAPT WAS FLYING THE ACFT) TO RETRACT THE FLAPS TO THE LAST POS WHERE THE LED GREEN LIGHT WAS ON, THEN WE EXTENDED THE FLAPS BACK TO POS 15 AND THE GREEN LIGHT REMAINED ON. WHILE THE F/O WAS ACCOMPLISHING THIS TASK WE REQUESTED A LEFT 360 DEG TURN TO RE-ENTER A FINAL APCH FOR LNDG ON RWY 28R. THERE WAS AT THIS TIME A CONSIDERABLE AMOUNT OF RADIO TFC. THE TWR CLRED US FOR A LEFT 360 DEG TURN TO RWY 28L. WE HAD (BOTH PLTS) A MINDSET TO LAND ON RWY 28R. AT APPROX 1000' AGL INTENDED LNDG RWY, AT WHICH TIME WE EXECUTED A VIS MISSED APCH AND INFORMED THE TWR OF OUR MISSED APCH. AT WHICH TIME THE TWR INQUIRED AS TO THE REASON. WHEN WE INFORMED THEM OF THE REASON, THEY IN TURN INFORMED US THAT WE HAD BEEN CLRED TO LAND ON RWY 28L. THE FLT THEN COMPLETED A VIS DOWNWIND PATTERN AND LANDED ON RWY 28L W/O FURTHER INCIDENT. AFTER LNDG I MADE A PHONE CALL TO THE TWR APOLOGIZING FOR ANY MISCONCEPTION ON OUR PART AND INQUIRING AS TO THEIR PERCEPTION OF THE INCIDENT. THEY INFORMED ME THAT THEY HAD REPLAYED THE TAPES, AND INDEED WE HAD BEEN CLRED TO LAND ON RWY 28L AFTER OUR INITIAL FLAP EXTENSION PROB. WE BECAME ZEROED IN ON RESOLVING THE FLAP PROB AND DEVELOPED A MINDSET TO LAND ON OUR PREVIOUSLY CLRED RWY 28R. I TAKE FULL RESPONSIBILITY FOR THIS MISUNDERSTANDING. FURTHER MY ACFT HAS IN PLACE THOROUGH TRNING AND CHKING PROPER PROCS FOR SUCH INCIDENTS. I BELIEVE I WAS A LITTLE TOO INVOLVED WITH THE FLAP PROB AND NOT ENOUGH INVOLVED WITH THE RADIO.

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.