/usr/share/librecad/library/elektro/audio-iso/ is in librecad-data 2.1.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/librecad/library/elektro/audio-iso/Bell.dxf
/usr/share/librecad/library/elektro/audio-iso/Buzzer.dxf
/usr/share/librecad/library/elektro/audio-iso/Earphone.dxf
/usr/share/librecad/library/elektro/audio-iso/Headphone.dxf
/usr/share/librecad/library/elektro/audio-iso/Mic-condenser.dxf
/usr/share/librecad/library/elektro/audio-iso/Microphone.dxf
/usr/share/librecad/library/elektro/audio-iso/Record-pickup-coil.dxf
/usr/share/librecad/library/elektro/audio-iso/Record-pickup-crys.dxf
/usr/share/librecad/library/elektro/audio-iso/Signal.dxf
/usr/share/librecad/library/elektro/audio-iso/Speaker.dxf
/usr/share/librecad/library/elektro/audio-iso/Tape-head.dxf