What was found
PWS FAILED AND TCAS FAILURE ON N.D.'S. GROUNDED - YES. ON ARRIVAL @ AIRCRAFT, TCAS AND PWS NO FLAGS ON ND. 'CYCLED TCAS AND WX RADAR C/B'S P18-B6 AND P6-1 D13. NO PWS FAIL FLAG AFTER RESET WX RADAR BITE TEST GOOD REF B737-800 FIM 34-43 TASK 801 AND 34-43 TASK 815 ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL. TCAS BITE SHOWS NO FAULTS AFTER RESET REF FIM 34-45 TASK 801. ALL TESTS PASS