Narrative:

On approach requested flaps 1 and got 'le asym' EICAS and needles indicated flaps between up and 1. [We] broke off approach; requested vectors; worked through checklist; advised flight attendants and passengers. ACARS to dispatch to confirmed landing distance; declared emergency; rolled equipment elected to land on longest runway. Turned off runway before the end; released the emergency equipment; then taxied to gate without further incident.

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Original NASA ASRS Text

Title: B757 Captain experiences LE Flap ASYM during approach. QRH procedures are complied with and abnormal flap landing ensues.

Narrative: On approach requested flaps 1 and got 'LE ASYM' EICAS and needles indicated flaps between up and 1. [We] broke off approach; requested vectors; worked through checklist; advised Flight Attendants and passengers. ACARS to Dispatch to confirmed landing distance; declared emergency; rolled equipment elected to land on longest runway. Turned off runway before the end; released the emergency equipment; then taxied to gate 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.