Narrative:

After takeoff from dfw; we noticed a slight split on the flap gauge. During the visual approach; we noticed that even though final flaps had been selected; the flap indicator had not moved. We went around; asked for vectors to ZZZ; and declared an emergency. We worked the checklists; 'test' items (time available; emergency type; signal to brace; take special instructions); PA; etc. We made the mistake requesting runway 31R thinking it was the longest runway. Realizing our mistake; we requested runway 31L and landed on runway 31L without incident. After turning off the runway; crash fire rescue equipment checked the brakes and wheels and we taxied to the gate. Approach speed was 183 KTS and we touched down at about the same speed.

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Original NASA ASRS Text

Title: A B737-800 CREW DECLARED AN EMER FOR A NO FLAP LNDG WHEN THE FLAPS-SLATS WOULD NOT EXTEND.

Narrative: AFTER TKOF FROM DFW; WE NOTICED A SLIGHT SPLIT ON THE FLAP GAUGE. DURING THE VISUAL APCH; WE NOTICED THAT EVEN THOUGH FINAL FLAPS HAD BEEN SELECTED; THE FLAP INDICATOR HAD NOT MOVED. WE WENT AROUND; ASKED FOR VECTORS TO ZZZ; AND DECLARED AN EMER. WE WORKED THE CHKLISTS; 'TEST' ITEMS (TIME AVAILABLE; EMER TYPE; SIGNAL TO BRACE; TAKE SPECIAL INSTRUCTIONS); PA; ETC. WE MADE THE MISTAKE REQUESTING RWY 31R THINKING IT WAS THE LONGEST RWY. REALIZING OUR MISTAKE; WE REQUESTED RWY 31L AND LANDED ON RWY 31L WITHOUT INCIDENT. AFTER TURNING OFF THE RWY; CFR CHKED THE BRAKES AND WHEELS AND WE TAXIED TO THE GATE. APCH SPD WAS 183 KTS AND WE TOUCHED DOWN AT ABOUT THE SAME SPD.

Data retrieved from NASA's ASRS site as of January 2009 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.