As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HEAVY CK COE / MAJOR REPAIR / LEVEL 2 CORROSION: LOWER EXTERIOR FUSELAGE SKIN PANEL BETWEEN FRAME 23 AND FRAME 23A BL 0 HAS TWO CORRODED AREAS (LENGTH 1.4". WIDTH .600", DEPTH .009"). CUT OUT DAMAGED SKIN AND FABRICATED AND INSTALLED DOUBLER IAW ATR72 SRM.