As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MLG: BLEW GEAR DOWN USING THE GEAR BLOWDOWN LOCATED IN THE FRONT. NO CHANGE IN GEAR INDICATION. HAD TO PULL THE MAIN GEAR LEVER IN THE BACK AS WELL. NO CHANGE IN GEAR INDICATION. DECLARED EMERGENCY. LOW FLY BY THEN LANDED. CORRECTIVE ACTION; REPLACED LH MLG UPLOCK SWITCH IAW 680A MM 32-32-25. OPS CHECK GOOD.