What was found
AIRCRAFT WAS GROUNDED. WHEN SPEED BRAKE WAS USED & FLAPS 2, 180 KNOTS AIRCRAFT WENT INTO A 5-10 DEGREE BANK. HAPPENED AT 9000 FEET AND AGAIN AT 4000 FEET. NO ECAM MESSAGES DISPLAYED DUE TO A UNCOMMANDED ROLL INCIDENT. TROUBLESHOT, REF TSM 27-10-00-810-842-A, NO FAULTS.