A B757-200's le slat disagree light illuminated when slats were retracted to 1 after a flaps 5 takeo...

Narrative:

Coming in; heard our next airplane on frequency with problem. Met the inbound crew; was told that when they went to put slats out got a leading edge slats disagreement light. Maintenance went to east&east compartment; saw that there was no status message. Had the checklist to try and get the problem again recycle the slats to 1 degree a couple of times and no status message. Also; the inbound crew also said that when they went to 'alternate' switch the status went away. Agreed to take the airplane put the flaps to 5 degrees on taxi out no problem no messages. After takeoff with to put flaps and slats to 1 degree and had the status message 'leading edge slats disagreement' and 'leading edge light on.' captain went through checklist; first officer flying. Captain took the airplane. The first officer checked the checklist to make sure that it was correct. It was. The problem didn't go away. Limited to 230 KTS and FL200. Leveled off at 15;000 ft. Ran the approach and landing checklist; declared an emergency due to wet runway; reference +30 KTS and cheap insurance. Used maximum for braking. Landed uneventful. Taxied to the gate.

Original NASA ASRS Text

Title: A B757-200's LE SLAT DISAGREE light illuminated when slats were retracted to 1 after a flaps 5 takeoff. An emergency was declared with a return to land. The Leading Edge slats were written up on the previous flight.

Narrative: Coming in; heard our next airplane on frequency with problem. Met the inbound crew; was told that when they went to put slats out got a leading edge slats disagreement light. Maintenance went to E&E compartment; saw that there was no Status message. Had the checklist to try and get the problem again recycle the slats to 1 degree a couple of times and no Status message. Also; the inbound crew also said that when they went to 'Alternate' switch the status went away. Agreed to take the airplane put the flaps to 5 degrees on taxi out no problem no messages. After takeoff with to put flaps and slats to 1 degree and had the status message 'Leading Edge Slats Disagreement' and 'Leading Edge Light On.' Captain went through checklist; First Officer flying. Captain took the airplane. The First Officer checked the checklist to make sure that it was correct. It was. The problem didn't go away. Limited to 230 KTS and FL200. Leveled off at 15;000 FT. Ran the Approach and Landing checklist; declared an emergency due to wet runway; reference +30 KTS and cheap insurance. Used maximum for braking. Landed uneventful. Taxied to the gate.

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.

Attributes
ACN	823753
Time
Date	200902
Local Time Of Day	1801-2400
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	IMC
Aircraft 1
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	Climb
Flight Plan	IFR
Component
Aircraft Component	Leading Edge Slat
Person 1
Function	Pilot Flying Captain
Experience	Flight Crew Last 90 Days 240 Flight Crew Total 20000 Flight Crew Type 6000
Person 2
Function	First Officer Pilot Flying
Experience	Flight Crew Last 90 Days 242 Flight Crew Total 8000 Flight Crew Type 1448
Events
Anomaly	Aircraft Equipment Problem Less Severe Deviation - Procedural Maintenance

A B757-200's le slat disagree light illuminated when slats were retracted to 1 after a flaps 5 takeoff. An emergency was declared with a return to land. The leading edge slats were written up on the previous flight.