As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKE OFF AND UPON GEAR RETRACTION, THREE UP INDICATIONS REMAINED WHITE. THEN CYCLED TO AMBER WITH THE ASSOCIATED GEAR DISAGREEMENT MESSAGE (LEFT AND RIGHT AND NOSE) AND MASTER CAUTION. THE INDICATION CONTINUED TO CYCLE FROM WHITE TO AMBER (3UP) AND FROM A SINGLE UP TO THREE UP. REMOVED FAULTY LANDING GEAR MODULE P/N: 9912750-2 - S/N: Y2020 & REPLACED WITH NEW IAW AMM 32-30-30. OPS CHECK GOOD.