What was found
AIRCRAFT WAS NOT GROUNDED: AFT MEGAPHONE UNSERVICABLE. REMOVED AND REPLACED AFT MEGAPHONE PER MCM2808.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: AFT MEGAPHONE UNSERVICABLE. REMOVED AND REPLACED AFT MEGAPHONE PER MCM2808.