As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOWER FUSELAGE SKIN AT FWD MIDDLE MOUNTING AREA WHERE RADIO ALTIMETER ANTENNA IS SECURED HAS CORROSION. REMOVED CORROSION AT FUSELAGE SKIN REPAIR DOUBLER UNDER FWD MIDDLE RADIO ALTIMETER ANTENNA IAW SRM 51-40-02, AND INSTALLED A NEW REPAIR DOUBLER IAW SRM 53-00-01 FIG 201. ACFT WAS GROUNDED.