As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS MESSAGE LE SLAT ASYM, LEADING EDGE LIGHT ILLUMINATED WITH THE FLAP LEVER IN UP, BOTH FLAP POINTERS WERE IN 1/2. DURING FLAP/SLAT RETRACTION ON CLIMB-OUT PHASE. PERFORMED PROCEDURE IAW FIM 27-81-00 PAGE 134 AND WAS ADJUSTED CLEARANCE AT SENSOR TARGET S-281 IAW AMM 27-88-01 PAGE 201. TEST WITH SATISFACTORY RESULTS.