As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1-ENG-O/B-T/R-C-DUCT - UPON THE (COMPONENT-REMOVAL-INTRFACE-INSP-PROCEDURE-#6.) FOUND CORROSION AT UPPR-FWD-I/B-OF STRUCTURE-CAVITIES 3(EA) AS MRKD.-#007-JL039-ATA-78-00. REMOVED 03 EA FASTENERS TO EVALUATE CORROSION AT #1-ENGINE-O/B T/R C-DUCT UPPR FWD I/B OF STRUCTURE IAW B757-200PF SRM 51-40-02-0G-0. #1 ENGINE O/B T/R WAS REPLACED AND INSTALLED ON TC T3F18E009PTU5 LINE 1329.