What was found
AFTER TAKEOFF, GOT WIND SHEAR WARNING FOLLOWED BY RADAR TEST MODE ON BOTH NDS, NO WIND SHEAR ENCOUNTERED ON CLIMB OUT. GROUNDED - YES. REMOVED & REPLACED WX RADAR RT PER B737-800 AMM TASKS 34-43-41-000-801 & 34-43-41-400-801.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF, GOT WIND SHEAR WARNING FOLLOWED BY RADAR TEST MODE ON BOTH NDS, NO WIND SHEAR ENCOUNTERED ON CLIMB OUT. GROUNDED - YES. REMOVED & REPLACED WX RADAR RT PER B737-800 AMM TASKS 34-43-41-000-801 & 34-43-41-400-801.