As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3271 - MSP - DURING APPROACH, LT MAIN GEAR INTRANSIT LIGHT DID NOT ILLUMINATE WHEN GEAR WAS SELECTED DOWN. THE FLIGHT CONTINUED TO MSP WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LT MAIN LANDING GEAR UP POSITION SWITCH. THE SYSTEM OPERATED SATISFACTORILY. (W)