As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY MAINTENANCE IS WAS NOTED THAT THE NR 2 ENGINE S DUCT HAS CORROSION ON THE LOWER INNER SKIN BY THE DUCT ACCESS DOOR BS 1342.40. CUT OUT DAMAGE DIM 19.68 INCH BY 8 INCH. FABRICATED DOUBLER FROM 7075-O .080 INCH DIM 26 INCH BY 14 INCH. HEAT TREATED TO T6, FABRICATED FILLER FROM 2024 T3 .040 INCH DIM 19.5INCH BY 8 INCH. INSTALLED REPAIR, NO OTHER DEFECTS WERE NOTED. AIRCRAFT WAS RETURNED TO SERVICE.