What was found
AFTER DEPARTURE, SELECTED GEAR UP, ANTI-SKID INBOARD CAUTION, GEAR DISAGREE WARNING, 6 SEC PARK BRAKE SOV CAUTION, PERFORMED QRH, EXTENDED AND RETURN TO DEPARTURE, ALL CAUTION & WARNING EXTINGUISHED AFTER QRH PROCEDURE. NOSE WHEEL DID NOT APPEAR OR INDICATE RETRACTION, MAINS DID INDICATE RETRACTED. CONNECTED THE ELECTRICAL CONNECTOR ON MLG SELECTOR IAW AMM 32-32-25, OPS TEST OF EXTENSION & RETRACTION OF LANDING GEAR GOOD, NO EICAS SYSTEMS NORMAL.