00 $2,059.00 STEP: 1 APPLIED POWER TO AIRCRAFT AND FOUND FAINT/UNREADABLE AUDIO FROM COCKPIT MICROPHONE. PERFORMED RINGOUT OF MICROPHONE WIRING TO CVR CO NTROL PANEL AND CONTROL PANEL TO CVR WITH SATISFACTORY RESULTS. REFERENCED GIV WDM 23-52-00 AND 23-72-00 FOR WORK PERFORMED. Item/Squawk: 50022552 Ref