What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS SHORTLY AFTER TAKEOFF PWS FAIL ANNUNCIATED FOLLOWED BY WXTR FAIL. ATTEMPING RESET BY SELECTION, TEST BOTH PWS FAIL AND WX FAIL ANT AND WXR FAIL ANNUNCIATED (CONTINUED) ATTEMPTED OPERATION ON BOTH AUTO AND MANUAL MODES AS WELL AS WX AND WX & TWXR FAIL RENAMED ANNUNCIATED AND DID NOT FUNCTION. ***SUPPLEMENTAL INFORMATION: MAINTENANCE REPLACED WXR DRIVE UNIT IAW AMM 34-43-11. OPS CHECK OK.*** (CLOSED)