ical drawings: Cabin Audio, GIV-31085-23-61 (Sheets 1 thru 4); Cabin Entertainment, GIV-31085-23-62 (Sheets 1 thru 9) and Airshow, GIV-31085-31-52 (Sheets 1 & 2). Structural aspects of the newly installed cabin audio and entertainment systems are approved separately. Existing aircraft wiring diagrams affec