As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOSS OF NORMAL CABIN PRESSURIZATION OCCURRED IN FLIGHT. FOUND THE FWD COUPLING AT THE WATER SEPARATOR ASSY, TO HAVE COME DISCONNECTED FROM THE AIR DUCT ASSY PN 6615073-7 FOUND NO DAMAGES TO THE AIR DUCT ASSY AND THE COUPLING ASSY AT THIS POINT IN TIME 10-19-07. RECONNECTED THE COUPLING AT SLATED LOCATION WITH THE SAME WORN CLAMP ASSY. PERFORMED PRESSURIZATION TESTED IAW 560XL MM REV 24 FOUND NO AIR LEAKS AT THIS POINT IN TIME 10-17-07.