As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH MAIN GEAR DOOR AMBER CAS MESSAGES ILLUMINATED AFTER GEAR SELECTED DOWN. REMOVED LANDING GEAR DOOR SELECTOR VALVE, INSTALLED OVERHAULED CUSTOMER SUPPLIED LANDING GEAR DOOR SELECTOR VALVE. WORK PERFORMED IN REF WITH GL 7500 MM 32-31-03, 53-30-01. OPS CHECK AND LEAK CHECK GOOD. GEAR SWING CHECKS GOOD. GEAR DOORS CLOSED CORRECLTY ON NOSE AND MAIN GEARS. NO DEFECTS NOTED.