As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GSD3 DISPLAYED ENROUTE. FOLLOWED QRH ONLY GSD FAIL 3 CHECKLIST AND LANDED WITHOUT INCIDENT. EMERGENCY GEAR BLOW DOWN WAS USED PER QRH GSD FAIL 3." CORRECTIVE ACTION" REMOVED FAULTY GSD3 P/N 011-01457-01 S?N 2JHH007132 AND INSTALLED REPAIRED GSD3 P?N 011-01457-01 S/N 2JH006455TAW CE680A MM 31-40-10. PERFORMED THE REQUIRED SOFTWARE CONFIGURATION IAW CE680A MM CH 42-10-04-5. OPS AND CONFIG CHECKS GOOD.