As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL350 FLAP INDICATOR NEEDLES JUMPED TO .5 DEG AND FLUCTUATED TO 0 AND BACK L/E ASSY LIGHT AND MESSAGE. BIT PSEU/FSEU FAULTS NBR 11 I/B SLAT SENSOR..301.. CKD GAPS AND SENSORS W/ELDEC CKS GOOD. RESET PSEU AND OP FLAPS SEV TIMES. NO FAULTS. REPLACED FSEU MM OK FOR SERVICE.