As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING APPROACH, LT MLG WOULD NOT FULLY EXTEND, ALTERNATE EXTENSION WAS ATTEMPTED TO NO AVAIL. CREW RETRACTED ALL GEAR AND LANDED ON THE BELLY. CREW AND PASSENGERS EXITED SAFELY ON THE RUNWAY AND WERE BUSED TO THE TERMINAL. MAINTENANCE CREW PULLED THE ALTERNATE EXTENSION AND THEY GOT GEAR DOWN AND LOCKED.