As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON GEAR RETRACTION EICAS GEAR INDICATOR WOULD GO FROM GEAR UP TO DOWN IN TRANSIT. SOUNDED LIKE NOSE GEAR AREA HAD GRINDING NOISE WHEN IN TRANSIT. CROSS HATCH DISPLAYED. TRIED CYCLING ONCE WITH SAME INDICATION. LEFT THE GEAR DOWN, DUMPED FUEL, AND RETURNED TO HKG. GOT GEAR MONITOR STS MSG WHILE DUMPING.(<P>REMOVED AND REPLACED NOSE LANDING GEAR RETRACT ACTUATOR PER AMM 32-34-01. </P>)