As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF DURING FLAP RETRACTION, THE NR 2 LEADING EDGE SLAT WOULD NOT RETRACT. RECYCLED FLAPS TO NO AVAIL. VISUAL INSPECTION AND INDICATION SYSTEM SHOWED NR 2 LEADING EDGE SLAT FULLY EXTENDED. FLIGHT CREW DECLARED A YELLOW EMERGENCY AND JETTISONED 22,000 POUNDS OF FUEL. FLIGHT RETURNED TO TPA WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED A TEST HOP AND COULD NOT DUPLICATE MALFUNCTION. INVESTIGATION CONTINUES.