What was found
DURING HEAVY MAINTENANCE, CORROSION STRINGER 28R BETWEEN FRAME 87 TO STR 88 ON AFT CARGO COMPARTMENT (1 EA). CPCP RELATED 53-23-018-0428. PERFORMED PERMANENT REPAIR ON STRINGER 28R BETWEEN FR 87 TO FR 88 AFT GALLEY AREA, IAW E190 SRM 53-23-03 REPAIR 51 ITEM 5. TOOL USED CALIPER P/N: 500-197-30, S/N: A18135089, DUE DATE: JUL-11-2021. ACCOMPLISHED ON AEROMAN NRC 2020-317400 W/O: 2020 348/1. CLASSIFIED AS MAJOR.