As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABNORMAL LND GEAR AIR GND FAIL MESSAGE ON CLIMB OUT ENG 1-2 REV DISAGREE MSG FOLLOWED A FEW MINUTES AFTER BOTH MESSAGES DISAPPEARED WHEN GEAR WAS EXTENED EMERGENCY DECLARED. LANDED SAFELY.-C/A-PERFOMED CMC DOWNLOAD FOUND FWD NLG PROXIMTY SENSOR WAS BAD WOW R&R SENSOR NLG IAW 32-63-02 OPS CHECK GOOD IAW ETN-EM 32-245