Narrative:

On final approach when flaps were selected to the 25 degree position the crew received an EICAS message that the leading edge slats were in an asymmetric position also accompanied with a leading edge indicator light above the flap indicator. The flap indicator was indicating 25 degrees. The crew informed the tower that a problem existed with the aircraft slat system and needed to discontinue the approach at which time a published missed approach was initiated shortly followed by heading and altitude instructions from the control tower. The emergency checklist was complied with and all applicable actions taken. An emergency was declared and the aircraft landed without incident.

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Original NASA ASRS Text

Title: B767-300 flight crew experiences a LE Slat ASYM EICAS message while selecting flaps 25 during appraoach. A go around is initiated and QRH procedures are complied with before returning for landing.

Narrative: On final approach when flaps were selected to the 25 degree position the crew received an EICAS message that the leading edge slats were in an asymmetric position also accompanied with a leading edge indicator light above the flap indicator. The flap indicator was indicating 25 degrees. The crew informed the Tower that a problem existed with the aircraft slat system and needed to discontinue the approach at which time a published missed approach was initiated shortly followed by heading and altitude instructions from the Control Tower. The emergency checklist was complied with and all applicable actions taken. An emergency was declared and the aircraft landed without incident.

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.