An air carrier large transport had to dump fuel, the return land.

Attributes
ACN	260013
Time
Date	199312
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : iah
State Reference	TX
Altitude	msl bound lower : 4000 msl bound upper : 4000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : iah
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	climbout : initial cruise other other
Person 1
Affiliation	company : air carrier
Function	flight crew : second officer
Qualification	pilot : cfi pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 120 flight time total : 8500 flight time type : 4000
ASRS Report	260013
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : less severe other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	none taken : unable other
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

#7 slat failed to retract after takeoff from iah. Recycled flaps/slats numerous times without slat retraction on any attempt. We dumped 15000 pounds of fuel to get down to landing weight, and accomplished a normal approach and landing at iah.

Original NASA ASRS Text

Title: AN ACR LGT HAD TO DUMP FUEL, THE RETURN LAND.

Narrative: #7 SLAT FAILED TO RETRACT AFTER TKOF FROM IAH. RECYCLED FLAPS/SLATS NUMEROUS TIMES WITHOUT SLAT RETRACTION ON ANY ATTEMPT. WE DUMPED 15000 LBS OF FUEL TO GET DOWN TO LNDG WT, AND ACCOMPLISHED A NORMAL APCH AND LNDG AT IAH.

Data retrieved from NASA's ASRS site as of July 2007 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.