As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PWS FAIL LIGHT ILLUMINATED DURING PREFLIGHT. ADDITIONALLY WX RADAR SHOWS FAULT INDICATION "RT" ON DISPLAY DURING T/S. PERFORMED FIM TASK 34 43 00 810 815 PREDICTIVE WINDSHEAR SYSTEM PROBLEM FAULT ISOLATION AND TASK 34 43 00 710 802 001 WEATHER RADAR SYSTEM OPERATIONAL TEST. GROUND TEST SHOWS FAIL ON R/T UNIT. REPLACED WEATHER RADAR R/T PER M/M 34 43 41. GROUND VERICATION TEST NORMAL.