What was found
WHILE WORKING FLOORBEAM REPLACEMENT AT STA 1661, THE CHANNEL PN 146N5323-5, BL 0, STA 1661- 1681, WAS FOUND CORRODED. REMOVED CHANNEL, RECEIVED NEW CHANNEL PN 146N5323Y5, INSTALLED CHANNEL BL 0, STA 1661- 1681, IAW SRM 51-40-02. CATEGORY "A". MAJOR REPAIR.