As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN LOWERING GEAR HAD "UNSAFE GEAR" INDICATION. HAD TO PULL EMERGENCY RELEASE HANDLE TO LOWER GEAR . DECLARED EMERGENCY. LANDED WITHOUT INCIDENT. REMOVED AND REPLACED LANDING GEAR SELCTOR VALVE IAW CRJ-700 AMM 32-32-10. OPS CHECKED GOOD AS PER 32-30-00.