What was found
AIR TURN BACK. NO FUEL DUMPED. DURING CLIMBOUT WHEN EITHER "A" OR "B" AUTOPILOT SELECTED , ACFT MODERATE TO SEVERE ROLL LT AND RT. FOUND ROLLOUT CONTROL POWER PACKAGE B, A/P LVDT HAD SHORT TO GROUND, REPLACED ROLLOUT CONTROL POWER PACKAGE, OPS CKS IAW MM SATISFACTORY, LEAK CHECKS OK. FOUND ALSO ROLL COMPUTER "A" AND "B" NBSP; BITE FAIL IN POSITIONS 1, 5 AND 10. REPLACED ROLL COMPUTER IN CHANNEL "A" POSITIION AND REPLACED ROLL COMPUTER IN CHANNEL "B" POSITION AND ACCOMPLISHED CHECKS IAW MM AND OK.