As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 PYLON NAC STA 286.0 BULKHEAD AFTER REMOVAL OF OTBD PYLON SKIN, CRACKS WERE DISCOVERD ON BOTH FWD AND AFT BULKHEAD WEBS. ALSO, EXTENSIVE CORROSION DAMAGE AND SIGNIFICANT MATERIAL LOSS IN STEEL FRAME. *S/D* REMOVED DAMAGED MEMBERS AND FABRICATED NEW PARTS PER SAMPLE ON MAE TRAY NR 66354 AND 66360. DRILLED AND INSTALLED NEW PARTS IAW REF SRM 51-30-02.