Narrative:

The landing runway was 20C. Winds were calm and visibility was 7 miles. There was no traffic on the radio or TCAS. Coming from the southwest; a 2C approach would save time and fuel. We requested 2C from the approach controller. A vector to the runway was given. The pilot flying quickly reprogrammed 2C in the computer. Approaches plates were shuffled by both pilots in order to have the correct plate out. Full speedbrake deployment was required to descend and slow prior to configuring. The approach was compressed; but the aircraft was stable at 1000'. I (pilot monitoring) was 'heads down' for some time while we closed on the field. The 'heads down' was due to moving the flap lever; setting speeds; arming the speedbrake; extending the landing lights and making radio changes to tower frequency. Upon looking outside; I saw two runways illuminated. I assumed that I was looking at the right and center runway. (I would later discover that I was looking at the center and left runway.) I was using the HUD to monitor the approach. The pilot flying was drug in. His glide path did not agree with the ILS data. We convinced ourselves that is was because the ILS was turned on for 20C; not 2C. I was focused on aim point airspeed from that point on; and did not notice that only 2 of the 3 runways were visible. The localizer course was not in my cross check. Upon exiting the runway; we discovered that we had landed on 2L rather than the runway we were cleared for -- 2C. We taxied to the ramp without further incident.

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Original NASA ASRS Text

Title: BNA was landing Runway 20C; B737 flight crew requested Runway 2C which is granted. Runways 2L and 2C are illuminated but crew believed it to be 2C and 2R; crew landed 2L believing it was 2C.

Narrative: The landing runway was 20C. Winds were calm and visibility was 7 miles. There was no traffic on the radio or TCAS. Coming from the SW; a 2C approach would save time and fuel. We requested 2C from the Approach Controller. A vector to the runway was given. The pilot flying quickly reprogrammed 2C in the computer. Approaches plates were shuffled by both pilots in order to have the correct plate out. Full speedbrake deployment was required to descend and slow prior to configuring. The approach was compressed; but the aircraft was stable at 1000'. I (pilot monitoring) was 'heads down' for some time while we closed on the field. The 'heads down' was due to moving the flap lever; setting speeds; arming the speedbrake; extending the landing lights and making radio changes to Tower frequency. Upon looking outside; I saw two runways illuminated. I assumed that I was looking at the right and center runway. (I would later discover that I was looking at the center and left runway.) I was using the HUD to monitor the approach. The pilot flying was drug in. His glide path did not agree with the ILS data. We convinced ourselves that is was because the ILS was turned on for 20C; not 2C. I was focused on aim point airspeed from that point on; and did not notice that only 2 of the 3 runways were visible. The LOC course was not in my cross check. Upon exiting the runway; we discovered that we had landed on 2L rather than the runway we were cleared for -- 2C. We taxied to the ramp without further incident.

Data retrieved from NASA's ASRS site as of April 2012 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.