What was found
MDCC SEAT TRACK SURFACE CORRODED AT FR18 11"~FR18 13", Y450. CUT OUT THE DAMAGE AREA AND INSTALLED NEW FABRICATE SEAT TRACK WITH SPLICES, THIS IS CAT.B REPAIR I.A.W A300-600 SRM 53-12-16-201, PARA.5.A., PAGE.201-207, FIG.201(SHEET.1-2) & SRI:53-12-16-201, IIR:53-12-16-2-001-00, PARA.3.A, TABLE.202. "MAJOR REPAIR"