As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - SLAT FAULT STATUS MESSAGE. MAINTENANCE FOUND RIGHT WING SLAT DISCONNECT SENSOR COULD NOT BE RIGGED DUE TO A .120" MISMATCH. AIRCRAFT FERRIED TO PDX FOR REPAIRS. IN PDX, RIGGED SLAT PANEL IAW 27-81-25-820-801-A01. ALSO, REPLACED THE RIGHT WING OUTER SLAT DISCONNECT SENSOR AT WS 340 IAW CRJ-700 AMM TASK 27-81-39-000/400-802-A01. RIGGING AND OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.