As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: FLIGHT CREW REPORTED A GEAR DOOR INDICATION / LANDING GEAR LGCIU # 1 FAULT MESSAGE AND DECLARED AN EMERGENCY AS A PRECAUTIONARY MEASURE FOR ARRIVAL INTO PHX. THE AIRCRAFT LANDED SAFELY WITHOUT FURTHER INCIDENT. REPLACED LGCIU#1 AND ACCOMPLSIHED A SATISFACTORY BITE TEST PER AMM 32-31-71.