As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEPARTING LAX ON GEAR RETRACTION, HAD INDICATION DISAGREEMENT. ALL GREEN LIGHTS OUT THEN ALL RED LIGHTS ON, THEN BOTH A&B LIGHT ON LEFT GEAR (RED) AND -B- ON RT GEAR WOULD NOT EXTINGUISH. COMPLIED WITH QRH. NO CHANGE & GEAR CYCLED DOWN WITH 3 GREEN. RETURNED TO LAX. FOUND BOTH MAIN GEAR UPLOCK PLUNGERS OUT OF ADJUSTMENT. ADJUSTED PLUNGERS. SWUNG GEAR NUMEROUS TIMES. ALL CHECKS GOOD.