As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION SUSPECTED ON LOWER SKIN UNDER FWD RAD ALT ANTENNA DOUBLER. LOWER SKIN UNDER FWD RAD ALT #2 EXT ANTENNA DOUBLER BLENDED FOR INVESTIGATION (FOUND CORROSION). CUT-OUT C/OUT ON LOWER SKIN UNDER FWD RAD ALT #2. LOWER SKIN BTW FR 64-66 AND BTW STR 20L-20R REPAIRED.