As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 2400320) WHILE IN LGA, DAMAGE WAS FOUND ON BOTH THE FWD AND AFT NATS AIRPHONE ANTENNAS. FOLLOWING ANTENNA REMOVAL, CORROSION WAS FOUND AND REMOVED FROM THE UNDERLYING AFT LOWER SKIN PANEL (P/N 146A3231-21) AT BOTH ANTENNA MOUNTING LOCATIONS (STA 757.48 & STA 798). CORROSION REPAIRED PER ERA 602068-14.