As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH, CREW EXPERIENCED A HAZE IN THE COCKPIT AND NOTICED THE, CABIN COMPRESSOR OIL LOW, LIGHT ILLUMINATED. CREW DISCONNECTED THE EDC AND LANDED WITHOUT INCIDENT. MAINTENANCE DISCOVERED 3 SCREWS MISSING FROM THE EDC DUMP SOLENOID VALVE AND REPLACED THE EDC. THE ACFT WAS RETURNED TO SERVICE.