What was found
(CAN) THE RED *CABIN ALTITUDE* CAS MESSAGE POSTED AT 43,000 FT AND CREW NOTICED THE CABIN ALTITUDE WAS READING 10,300 FT. AFTER 1 MINUTE, THE MESSAGE EXTINGUISHED. WHEN THE DESCENDED THROUGH FL198, THE RED, CABIN ALTITUDE, MESSAGE POSTED AGAIN FOR 30 SECONDS BEFORE EXTINGUISHING.