Narrative:

Upon flap retraction; received le slat disagree EICAS and le slat amber light. Ran le slat disagree irregular checklist. [We] called dispatch and maintenance [and] agreed to divert. [We] declared emergency; [made] cabin advisory to flight attendants; [and] checked irregular configuration landing performance. [We] landed using alternate flap irregular procedure. Te flaps position 20; ref 30 + 30. [We had an] uneventful landing and taxied to gate without further assistance.

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Original NASA ASRS Text

Title: B757 Flight Crew experiences Leading Edge Slat Disagree EICAS message after takeoff and elects to divert to an airport with a longer runway for landing. Emergency is declared and the QRH complied with before a flaps 20 landing ensues.

Narrative: Upon flap retraction; received LE Slat Disagree EICAS and LE Slat amber light. Ran LE Slat disagree irregular checklist. [We] called Dispatch and Maintenance [and] agreed to divert. [We] declared emergency; [made] cabin advisory to flight attendants; [and] checked irregular configuration landing performance. [We] landed using alternate flap irregular procedure. TE flaps position 20; ref 30 + 30. [We had an] uneventful landing and taxied to gate without further assistance.

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.