As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPT WEATHER RADAR SHOWS THE SAME PICTURE (IN AUTO MODE) ON "WX", "WX+1" AND MAP. SHOWS THE PICTURE YOU WOULD EXPECT FOR GROUND MAPPING. F/O SIDE SHOWS NORMAL. GROUNDED - YES. PERFORMED BITE TEST OF WEATHER EADAR (WXR) SYSTEM REF B737-900 AMM 34-43-00-710-802-001 AND FOUND EFIS MODE/NAV FREQ DISAGREE ON F/O SIDE CORRECTED BY ENTER THE SAME FREQUENCY ON CAPTAIN SIDE, OPS NORMAL. OK FOR SVC.