As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GUM - DURING B-CHECK, FOUND CORROSION AT LOWER FUSELAGE SKIN BS 720B RAM AIR DOOR CUTOUT AREA. ITEM CLASSIFIED AS MAJOR REPAIR PER ENGINEERING. EC/RA 5330-02438 WAS INITIATED AND AUTHORIZED BY BOEING AND FAA DER. MAINTENANCE REPAIRED CORROSION AREA AS PER EC/RA 5330-02438. (M)