As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WX RADAR DISPLAYS THUNDERSTORMS AND OTHER WEATHER THAT DOES NOT EXIST. GROUNDED - YES. UNABLE TO DUPLICATE PROBLEM. ACCOMPLISHED OPS TEST REF AMM 34-43-00, NO FAULTS FOUND. REPLACED WX RADAR R/T PRECAUTIONARY REF AMM 34-43-41. OPS NORMAL. TSR ISSUED. ACCOMPLISHED WXR SYSTEM BITE TEST REF FIM 34-43 TASK 801. NO FAULTS. REPLACED DRIVE UNIT REF MM 34-43-11.