What was found
WXR SYS EICAS S THE WXR DISPLAY IS NOT PRESENT WHEN WXR IS SELECTED ON THE EFIS CONTROL PANEL. T/S C/O FOR WXR SYS EICAS MESSAGE AS PER FIM 34-43 TREE 817. WXR ARE NORMAL. OK TO CONTINUE. PARTS USED: 19-3440-9-0001,QTY BITE TEST C/O ALL OPS NORMAL. AS PRECAUTION WXR TRANSCEIVER :1 REPLACED AS PER AMM 34-43-01-004-001. WXR OPS TEST C/O AS PER ROTABLE PARTS CHANGE WAS INDICATED - TT # 1910286 SN OFF 2369 AMM 34-43-00-710-801-C1. TEST PASSED, ALL OPS AND INDICATIONS TRANSCEIVER, WX OFF 19-3440-9-0001 2369 ON 19-3440-9-0001 5489