What was found
AIR TURN BACK DUE REPORT: "WXR FAIL DISPLAYED ON HSI WITH 02=R SYSTEM SELECTED. WXR FAIL ANTENNA ON HSI. NOTE: PREVIOUSLY REPORTED ON FLIGHT 020 OF 8/30/2008. SWEEP (GHOST IMAGE WITH) ON HSI, WEATHER DISPLAY WITH 03=R BOTH SYSTEM SELECTED. NOTE: PREVIOUSLY REPORTED ON FLIGHT 020 OF 8/30/2008 AND FLIGHT 081 OF 8/29/2008. WXR FAIL DISPLAYED ON HSI WITH 05 BOTH SYSTEM SELECTED. WXR FAIL ANT ON HSI." PERFORMED FIM 34-43-00, FIG 103 CONFIRMED WXR ANTENNA FAULT. R/R WXR ANTENNA. IAW 34-43-05/401 TST OK ON BOTH SYSTEM. AC OK FOR SERVICE. (K)