As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING REMOVAL AND REPLACEMENT OF THE NR 3 VHF ANTENNA TWO CRACKS WERE FOUND ON THE ANTENNA MOUNTING CHANNEL LOCATED IN THE AFT CARGO COMPARTMENT. CHANNEL AT STATION 727C TO 727D BETWEEN S27L TO S27R FOUND WITH TWO CRACKS WAS REMOVED AND REPLACED WITH NEW CHANNEL AND BRACKET FROM STATION 727C TO 727D, S27L TO S27R PER B737 SRM 51-40-02.