What was found
HKG - DURING C5/D CHECK INSPECTION, DISCOVERED UPPER DECK SEAT TRACK CROWN CORRODED AT BS 540-560 RBL 30. REPAIRED BY REPLACING SEAT TRACK FROM STATION 540-600. REPAIRS ACCOMPLISHED IAW SRM 51-10-01 WITH EXISTING SPLICES, P/N BAC 1520-1682-717876511RK (M)