As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRST OFFICERS WEATHER RADAR RETURNS SIGNIFICANTLY DIFFERENT THAN CAPTAINS WHEN SET TO AUTO, WX/T. IN MANUAL RETURNS ON CAPTAINS AND FOS SCREENS SIMILAR. GROUNDED - YES. COULD NOT DUPLICATE MALFUNCTION.NO FAULTS IN CDS.VERIFIED BOTH RADAR & TERR BUSSES SWITCH & OPERATE NORMALLY.RADAR OP CK NORMAL.REF FIM 34-43 TASK 801.