As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT ON INITIAL UPLATCH CHECK, RECEIVED GEAR DOOR OPEN AND LEFT MAIN GEAR UNSAFE INDICATION. CREW FOLLOWED COCKPIT OPERATING PROCEDURE AND RECEIVED GREEN INDICATION. FLIGHT RETURNED TO MSP. MAINTENANCE LUBED UPLOCK MECHANISM AND ADJUSTED DOOR. SWUNG GEAR SEVERAL TIMES AND OPERATIONAL CHECK GOOD.