What was found
WXR FAIL SHOWS ON ND. GROUNDED - YES. REMOVED & REPLACED WXR RADAR RT AND INSTALL TEST NORMAL, OPENED & CLOSED 2 C/B B737-900 AMM 34-43-41/401, CONFIRMED PART EFFECTIVELY WITH AOG ENGINEERING, CLEARS MEL 34-15D, PLACARD REMOVED, SEAMC JAKE NOTIFIED..