What was found
ITEM #1 POSSIBLE 5G INTERFERENCE AUTO THROTTLES ATTEMPTED TO TRANSITION TO IDLE AT 100 FT AGL.(<P>PERFORMED LEFT, RIGHT AND CENTER RADIO ALTIMETER OP'S TEST, ALL TEST PASSED, PERFORMED LEFT AND RIGHT AUTO THROTTLE SYSTEM TEST, ALL TEST PASSED IAW B777 AMM 22-31-00, A/C GOOD FOR SERVICE.</P>)