As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
27 81 05 00 EICAS MSG L/E SLAT ASYM DISPLAYED, LEADING EDGE LIGHT ILLUM WITH THE FLAP LEVER IN 1. BOTH FLAP POINTERS WERE CORRECT. UPON WALK AROUND MAINTENANCE FOUND THE NUMBER 8 SLAT INBOARD PORTION EXTENDED AND OUTBOARD PORTION RETRACTED. FURTHER INVESTIGATION DETERMINED A FAILURE OF THE ROTARY ACTUATOR ASSEMBLY RESULTING IN DAMAGE TO THE FIXED LEADING EDGE AND BUCKLING THE SLAT ASSEMBLY. ACFT WAS GROUNDED.