As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COCKPIT INTERPHONE AUTOMATICALLY GOES TO -OFF HOOK - BUSY- WHILE IN CRADLE. WHEN THE COCKPIT INTERPHONE IS IN THE CRADLE MORE THAN 30 SECS THE PHONE GOES TO BUSY SIGNAL. FOUND HANDSET CRADLE MAGNET MISSING, REMOVED DOOR 1R HANDSET CRADLE MAGNET, AND SECURED IN COCKPIT HANDSET CRADLE AND OPS CHK. ALL FUNCTION IS GOOD. DOOR 1R INTERPHONE IS BAD NOW.