As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 7759 - TUS - FLIGHT CREW REPORTED NR 1 EDHP FAILURE ON GEAR EXTENSION. AIRCRAFT LANDED WITHOUT DECLARING EMERGENCY AND WITH NO INCIDENTS. MX PERSONNEL REMOVED AND REPLACED NR 1 EDHP OPERATIONALLY CHECKED SATISFACTORY. AIRCRAFT WAS RELEASED TO RETURN TO SERVICE.