What was found
FLT TA525 - SAL-DFW, DURING CLIMB, CAPTAIN AUDIO CONTROL PANEL WENT INOPERATIVE, AFFECTING AUDIO PLUS SELECTION OF THE SYSTEM. THE AIRCRAFT RETURNED TO SAL STATION FOR MAINTENANCE. AFTER LANDING, PERSONNEL REPLACED AND TESTED OF THE ACP PANEL NR 1 PER AMM 23-51-12. RESULTS WERE SATISFACTORY AND AIRCRAFT RETURNED TO NORMAL OPERATION. (M)