What was found
DURING DESCENT, USED SPEEDBRAKES AND HAD A SYMETRICAL DEPLOYMENT CAUSING ACFT TO TURN RIGHT. RESET SPEEDBRAKES AND TRIED AGAIN, IT HAPPENED AGAIN. LANDING WAS UNEVENTFUL. AFTER FLT CONTROL INSPECTION FOUND #3 SPOILER DAMAGED. REMOVED AND REPLACED #3 SPOILER AND O/B SPOILER ACTUATOR ASSEMBLY IAW AMM 27-61-01. OPS CHECK OK. NO LEAKS. RII INSTALLATION C/W IAW RII FORM 27-18-1. AIRCRAFT RETURNED TO SERVICE. REMOVED: O/B SPOILER ASSY, PN: 113T5102-10A, SN: NSN REMOVED: O/B SPOILER ACTUATOR ASSY, PN: 252T1401-1, SN: 1487.