As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY MAINTENANCE PERFORMING INSPECTIONS IT WAS NOTED THAT FUSELAGE SKIN IS CORRODED BELOW STR 28R AT BS 490-510.CORROSION OUT OF LIMITS. CUT OUT DAMAGE, FABRICATED DOUBLER, FABRICATED 2 FILLERS. INSTALLED REPAIR IAW SRM 53-30-3. NO OTHER DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE.