What was found
SEVERE NOSE WHEEL VIBRATION AFTER TAKEOFF PILOT FELT VIBRATION FROM PEDESTAL THROUGHOUT FWD CABIN. ALSO DURING VIBRATION, CAP STICK SHAKER ACTIVATED POSSIBLY. AFTER NOSE GEAR RETRACTION VIBRATION WAS GONE. NO EICAS OR LIGHTS RELATED TO NOSE GEAR. PER CREW DURING COMMUNICATION ON VHF VIA DISPATCHER... TOMC MO PERFORMED FIM TASK 32-51 FAULT TREE 805. FOUND AXLE NUT ON #1 AND #2 NLG TIRES NOT TORQUED TO SPECIFICATION PER AMM 32-45-02. REPLACED BOTH TIRES AS A PRECAUTION REF LOG PAGES 9026680 AND 9026670.