As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN CONFIGURING THE AIRCRAFT FOR LANDING, THE AIRCRAFT ROLLED LEFT AND STABILIZED. NO BLUE SLAT EXTEND INDICATION BUT SLAT DISAGREEMENT ANNUNCIATOR LIGHT ILLUMINATED. COMPLIED WITH COM PROCEDURE AND LANDING WAS MADE WITHOUT LEADING EDGE SLAT AT GPT. MAINTENANCE WAS NOT ABLE TO DUPLICATE THE DISCREPANCY AND LUBRICATED THE LEFT T-DUCT. AIRCRAFT RETURNED TO SERVICE.