What was found
STATUS MSG WXR SYS AND HSI MSG WXR FAIL IS ILLUMINATED IN FLIGHT, WX TEST MODE ILLUMINATED ANT RT. BOTH CAPT AND FO SIDE ILLUMINATED. PERFORMED FIM TO SHEET 4 BLOCK 2, SYSTEM TEST OK, NO FAULTS. ALSO INSPECTED AND CLEANED AIR FILTER IAW MM. NO HISTORY 90 DAYS. OK FOR SERVICE. (K)