As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PSC - LANDING GEAR DID NOT EXTEND WHEN GEAR HANDLE SELECTED DOWN. ALTERNATE GEAR EXTENSION PERFORMED AND GEAR EXTENDED. AIRCRAFT LANDED IN PSC WITHOUT INCIDENT. AIRCRAFT FERRIED TO PDX FOR REPAIR. GEAR SELECTOR VALVE REPLACED I/A/W MAINT. MANUAL. GEAR OPS CHECKED GOOD ON GEAR SWING. AIRCRAFT RETURNED TO SERVICE.