What was found
HEAVY CK / COE /MAJOR REPAIR / LEVEL 2 CORROSION: EXTERIOR FUSELAGE UPPER VHF/2 ANTENNA MOUNTING AREA HAS SURFACE CORROSION (LENGTH 1.7", WIDTH 1", DEPTH .022"). FABRICATED AND INSTALLED VHF/2 ANTENNA DOUBLER. (NOTE: AIRCRAFT NOT ON EA CERTIFICATE AT THIS TIME).