As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RADAR PAINTS TURB + WX AT THE 10 O'CLOCK AND 2 O'CLOCK POSITION CONSTANTLY- FALSE REFLECTIONS 5 MILE DISTANCE. GROUNDED - YES. ACCOMPLISHED WX-RADAR SYSTEM TEST WITH NO DISCREPANCIES NOTED. PERFORMED WX-RADAR SYS BITE, NO FAULTS FOUND. REPLACED WX-RADAR R/T PRECAUTIONARY. ALL OPS NML. ALL TEST PASS. GROUND VERIFICATION SATISFACTORY. REF B737-800 AMM 34-43-41, 34-43-00, B737-800 FIM 34-43 TASK 801. CLEARS MEL 34-15D.