As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER LIFTOFF, CABIN DOOR LIGHT ILLUMINATED. CREW MAINTAINED FL 10 AND COMPLETED TRIP WITHOUT INCIDENT. 3 WAY VALVES FROZEN, AIC SAT ON RAMP APPROXIMATELY 6 HOURS -30C - TIS OF AIC C/O NFF SYSTEM DRAINED IAW AMM, AIC DEPARTED NEXT MORNING. NO ISSUES WITH PRESSURIZATION SYSTEM. CREW REPORTED NOISY DOOR AFTER LIFTOFF, WIND NOISE.