As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE MEGAPHONE LOCATED IN THE AFT CABIN WAS FOUND TO BE INOP DURING THE LINE CHECK. THE MEGAPHONE LOCATED IN THE AFT CABIN WAS FOUND TO BE INOPERATIVE DURING THE LINE CHECK. R & R WITH SERVICEABLE MEGAPHONE BY PLACING IN MOUNT WITH VELCRO STRAP IN THE LAST, LT OVERHEAD BIN IPC 25-61-14, NR 5.