As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) 1) ENROUTE LOSS OF CABIN HEAT & TEMP CONTROL. 2) AFTER LANDING FOUND DAMAGED CONNECTORS FROM DUCT AT RT ACU. 3) THIS DUCT INSTALLATION IS PART OF SB 600-0476. THE CONNECTORS ARE RTV SECURED AT ONE END OF THE DUCT. ASSEMBLY OF COUPLINGS TO DUCT ENDS WERE CARRIED OUT IMPROPERLY CAUSING SEPARATION. P/N 600-95337-3/600-95337-1