As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE CHECK, CORROSION WAS FOUND OUT OF LIMITS ON FRAME IN FORWARD CARGO PIT BS 720A BETWEEN STR 23R AND 24R. REMOVED CORROSION IAW SRM 51-10-06. FABRICATED DOUBLER IAW SRM 53-10-04 FROM 7075 T6 .040. TREATED AND PRIMED IAW SRM 51-10-02 AND MM 51-20-02. INSTALLED DOUBLER IAW SRM 53-10-04.