Narrative:

On approach at 2;000 ft; decelerating through 210 KTS; captain selected flaps 1. Flap position indicator showed needle split of left(up); right(1/2) and le flaps 'xnsit' light remained amber.I continued to fly the aircraft and entered holding pattern as captain consulted QRH. We identified the problem as trailing edge flap asymmetry and accomplished applicable checklists. Captain declared an emergency with tower and requested arff. Landing was uneventful and after inspection by arff captain taxied aircraft to the gate.

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Original NASA ASRS Text

Title: B737-800 flight crew received a flap asymmetry warning light during approach. An emergency was declared and an uneventful landing ensued.

Narrative: On approach at 2;000 FT; decelerating through 210 KTS; Captain selected flaps 1. Flap position indicator showed needle split of L(up); R(1/2) and LE Flaps 'xnsit' light remained amber.I continued to fly the aircraft and entered holding pattern as Captain consulted QRH. We identified the problem as trailing edge flap asymmetry and accomplished applicable checklists. Captain declared an emergency with Tower and requested ARFF. Landing was uneventful and after inspection by ARFF Captain taxied aircraft to the gate.

Data retrieved from NASA's ASRS site as of July 2013 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.