As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CARGO COMPARTMENT STA 695 AT CENTER LINE LONGITUDINAL FRAME HAS AN AREA WITH SEVERE INTERGRANULAR CORROSION. REPAIRED BY FABRICATING AND INSTALLING BRACKETS AND INSTALLING A REPAIR DOUBLER. DER APPROVED ON FAA FORM 8110-3 DATED 99-12-15 ECRA 935-53-055-2.