What was found
AFTER TAKEOFF RECEIVED LG AIR & GND FAIL ON EICAS, FOLLOWED BY ENG 1, 2 REV DISAGREE. RETURNED FOR NORMAL LANDING. PERFORMED FIM TASKS 32-63-00-810-804-A & 32-63-00-810-805-A. FOUND NLG STRUT UNDERSERVICED. SERVICED NLG STRUT IAW AMM 32-20-01. PERFORMED LG RETRACTION IAW AMM 32-30-00. NO DEFECTS NOTED.