What was found
DEPRESSURIZATION - EMERGENCY DESCENT. AIRCRAFT WORKED BY MANUFACTURER AND FOUND THAT AN AIR CONDITIONING SYSTEM DUCT CAME LOOSE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DEPRESSURIZATION - EMERGENCY DESCENT. AIRCRAFT WORKED BY MANUFACTURER AND FOUND THAT AN AIR CONDITIONING SYSTEM DUCT CAME LOOSE.