What was found
DOOR SEAL NOISE FROM 1L TALKED TO CREW FOUND NOISE WAS NOT FROM DOOR BUT FROM MEGAPHONE. MEGAPHONE WAS GOING OFF AND NOT SHUTTING OFF. REPLACED MEGAPHONE PER AMM 25-64-00. NEW MEGAPHONE OPERATED NORMALLY ON GROUND.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DOOR SEAL NOISE FROM 1L TALKED TO CREW FOUND NOISE WAS NOT FROM DOOR BUT FROM MEGAPHONE. MEGAPHONE WAS GOING OFF AND NOT SHUTTING OFF. REPLACED MEGAPHONE PER AMM 25-64-00. NEW MEGAPHONE OPERATED NORMALLY ON GROUND.