As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO BLOCKS DUE TO A CAPTAIN'S STICK SHAKER PROBLEM. CAPTAIN'S STICK SHAKER INOPERATIVE WHEN PERFORMING NR 1 STALL WARNING TEST. CLEANED AND INSPECTED PINS TO EIS DISPLAY AND STALL MANAGEMENT COMPUTER. THE EIS PRIMARY DISPLAY WAS REPLACED TO GET STICK SHAKER MOTOR TO OPERATE FOR STALL WARNING CHECK. SYSTEM CHECKED NORMAL.