As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL360, THE FLAP INDICATOR IS FLICKERING BETWEEN UP AND 1 DEG' WITH ASSOCIATED `LE SLAT ASYM' MSG. CREW ALSO NOTED A CLICKING OR CHATTERING TYPE NOISE IN THE OVERHEAD PANEL AREA BY THE 'RAT' SW AREA THAT FELT QUITE WARM. FOUND SLAT INDICATION TARGETS FULL OF GREASE DUE TO NORMAL AC MAINTENANCE. CLEANED ALL TARGETS ACCOMPLISHED FSEU & PSEU BITE WITH NO FAULTS. ACFT OK FOR SERVICE.