As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUSELAGE APU CUT OUT AREA THE UPPER EDGE HAS CORROSION ALONG THE STRINGER 3R BULKHEAD FROM BS 1787-1825. REMOVED AND REPLACED WITH ANGLE FABRICATED AS PER DWG 148N3152 SHT.1 REV. AND INSTALLED IAW DWG 148N3105 SHT.5 REV. REPAIR IS MAJOR.