What was found
DURING HEAVY MAINTENANCE: CORROSION INTERNAL STRUCTURE AREA CENTER TANK LOCATED FR41 TO FR42 LH SIDE IN PASSENGER CABIN (CPCP-RELATED MPD TASK 533135-01); PERFORMED REPAIR AT INTERNAL STRUCTURE AREA CENTER TANK LOCATED FR41 TO FR42 LH SIDE IN PASSENGER CABIN I.A.W. EC. NO. A23-456-01 AND EA NO. 57-0172-23, THIS REPAIR IS CATEGORY A, AND NO FURTHER INSPECTIONS ARE REQUIRED I.A.W. RDAF 81219145/004/2023 ISSUE A. TOOL USED CALIPER P/N: 500-196-30, S/N: B21140358, DUE DATE: NOV-21-2023; EDDY CURRENT EQUIPMENT PN: NORTEC 600D, SN: 60009161631, DUE DATE: JAN-31-2024; ULTRASONIC THICKNESS EQUIPMENT PN: 45MG, SN: 130064101, DUE DATE: OCT-12-2023. (CONSIDERED AS A MAJOR REPAIR)