As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH THE CREW WAS UNABLE TO LOWER THE LANDING GEAR. THE CHECKLIST WAS CARRIED OUT AND A MANUAL GEAR EXTENSION WAS SUCCESSFULLY CARRIED OUT. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT BUT DID REQUIRE A TOW TO THE GATE. AN EMERGENCY WAS NOT DECLARED. LDG SAFTEY VALVE 49GA FOUND SHORTING TO GROUND. 49GA LDG SAFTEY VALVE REMOVE/INSTALL IAW AMM 32-31-17.