What was found
SPOILERONS FAULT, A/C ROLLED HARD RIGHT 20° BANK, FOLLOWED BY A HARD LEFT 20° BANK THEN MODULATED LEFT AND RIGHT WITH FD STRUGGLING TO MAINTAIN STRAIGHT AND LEVEL FOR ABOUT 10 SECONDS. (FLT 2981) FDR READINGS INDICATE RIGHT WING SPOILERON UNCOMMANDED DEPLOYMENT. PERFORMED WIRING CHECKS OF ALL SPOILERON AND FLT SPOILER PCU'S IAW AMM. REPLACED BOTH PCU'S ON RIGHT WING SPOILERON AND REPLACED BOTH SECUS. ALL CHECKS GOOD AT THIS TIME.