As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH 9000FT THE AMBER CABIN ALT CAS MESSAGE DISPLAYED FOLLOWED BY A LOUD HISSING NOISE THAT SEEMED TO BE FROM THE MAIN CABIN DOOR. REPLACE PAX DOOR SUPPORT HOUSING ASSY. AND DOOR SUPPORT STRUT PER MM 52-11-25. LEAK CHECK GOOD.