As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN SPEEDBRAKE EXTENDED AT 350 KNOTS SUDDENLY EXPERIENCED AN UNCOMMANDED 20 DEGREE ROLL TO THE RIGHT. VISUALLY INSPECTED DURING FLIGHT. LEFT WING OUTBOARD SPOILERS, INNER TWO SPOILERS DID NOT EXTEND FULLY. NORMAL OPERATION AT LOW SPEED SUPPLEMENTAL DATA UPDATE ROLL DEEMED SLIGHT AND ACCEPTABLE PER ENGINEERING TEST FLIGHT CREW.