As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RADAR FUNCTIONED INTERMITTENTLY, DISPLAYED WXR FAIL ON DEPARTURE. AFTER SEVERAL TEST CYCLES IT EVENTUALLY SEEMED TO FUNCTION ON ARRIVAL. GROUNDED - YES. B737-900 FIM 34-43 TASK 801 SYSTEM NORMAL. OPS CHECK WEATHER SYSTEM IN REFERENCE WITH B737-900 AMM 34-43-00, OPS CHECK GOOD.