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 THE LOWER CHORD RUNNING ALONG STR 27R BY THE C2 DOOR IS CORRODED AND CRACKED AT BOTH ENDS, STA 950E-1010. CUT OUT DAMAGED AREA, PERFORMED HFEC INSPECTION AND FABRICATED REPAIR ANGLE FROM 7075-T6 .080 INCH 14 INCH BY3 3/8 INCH, 7075-T6 .063 INCH 10 INCH BY 3 INCH. INSTALLED REPAIR IAW DWG AG52-53-100. NO OTHER DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE.