As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LANDING GEAR EXTENSION WE RECEIVED GEAR DISAGREE L CAS MESSAGE FOLLOWED BY CROSS HATCHED LEFT MAIN GEAR INDICATION. FOLLOWED THE QRH USING THE LANDING GEAR BLOWDOWN AND MAIN MANUAL RELEASE HANDLE. WE NEVER GOT A 3 GREEN, LANDED NORMALLY. REPLACED LT MLG ACTUATOR DUE TO FAULTY MLG DOWN-LOCK SWITCH IAW AMM 32-30-15. PERFORMED MLG POST MAINTENANCE CHECKS IAW AMM 32-30-15. NO FAULTS FOUND.