As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR DID NOT EXTEND USING GEAR HANDLE. PERFORMED GRAVITY EXTENSION. EMERGENCY DECLARED. IAW TSM 32-31-00-810-808-A. PFR SHOWS RT MLG DOOR ACTUATOR. BOTH LGICUS SHOW NO FAULTS. REPLACED 62GA RELAY AND 49GA LANDING GEAR SYS ISOLATION SAFETY VALVE. REPLACED THE SAFETY VALVE. OPERATED GEAR HANDLE 4 TIMES, DOORS AND GEAR CHECKED OK. NO FAULTS.