As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY DECLARED. PILOT REPORTED RECEIVING LGCIU 2 FAULT UPON GEAR EXTENSION. PERFORMED THE QRH PROCEDURE WITH A MANUAL GEAR EXTENSION. CREW DECLARED AN EMERGENCY. LANDED UNEVENTFULLY. R & R THE NR 2 LGCIU IAW AMM 32-31-71. PERFORMED GEAR SWING AS PRECAUTIONARY IAW 32-31-00. ALL OPS CHECKED OK.