What was found
AFTER TAKEOFF CREW REPORTED THAT AFTER GEAR RETRACTION ALL 3 DOORS REMAINED OPEN, HAD THREE GREENS AND THREE REDS. CYCLED GEAR TWICE THEN HAD 3 GREENS BUT GEAR DOORS WERE OPEN. CREW RETURNED TO LAX AND LANDED WITH NO NLG STEERING. MX R & R BOTH LGCIU'S, LANDING GEAR CONTROL LEVER 6GA AND HYDRAULIC CONTROL RELAY 48GA. AIRCRAFT FERRIED TO PHX FOR FURTHER MX. R & R SAFETY VALVE 2630GM AND SELECTOR VALVE MANIFOLD, 2524GM. FOUND BLOCK "A" CONNECTOR ON LGCIU 2 BROKEN. REPLACED BLOCK "A" CONNECTOR ON LGCIU 2 ALONG WITH ALL PINS AND SOCKETS FROM LGCIU 1 AND 2 TO 40GA. PASSED FCF FOR GEAR DOOR DISCREPANCY BUT FAULTED LGCIU 2 AND REVERSER 2. LGCIU 2 WAS REPLACED AND PASSED FCF.