As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SPEED BRAKE ACTUATION CAUSES 20 DEGREE ROLL TO THE LT DURING DESCENT. NO ABNORMAL FORCES NOTED DURING OPERATION OR SPOILERS WHILE TURNING YOKE LEFT OR RIGHT. WHEN SPOILERS DEPLOYED, ALL DEPLOYED EVENLY. NO SPOILER FLOAT WAS NOTED. LUBRICATED SPOILER SECTORS, CLEANED AND LUBRICATED SPRING CARTRIDGES. ALL OPERATIONAL CHECK GOOD.