What was found
AIRCRAFT WAS GROUNDED: AFT CABIN MEGAPHONE INOPERATIVE. REPLACED BATTERIES IN AFT CABIN MEGAPHONE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: AFT CABIN MEGAPHONE INOPERATIVE. REPLACED BATTERIES IN AFT CABIN MEGAPHONE.