As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3125 - ON APPROACH TO ESC, THE LEFT UNSAFE GEAR DOWN INDICATION LIGHT REMAINED ILLUMINATED AFTER GEAR EXTENSION. THE CREW PERFORMED THE ALTERNATE GEAR EXTENSION PROCEDURES. ALL GEAR EXTENDED NORMALLY. THE AIRCRAFT CONTINUED TO ESC. MAINTENANCE REPLACED THE LEFT MAIN LANDING GEAR UPLOCK ACTUATOR. SYSTEM OPERATED SATISFACTORILY. (Z)