What was found
AIR TURNBACK, DURING CLIMB AIRCRAFT FAILED TO PRESSURIZE, WARNING HORN SOUNDED. FOUND AFT KEEL BEAM AREA BOOT ON BLEED DUCT DISCONNECTED. RECONNECTED BOOT PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK, DURING CLIMB AIRCRAFT FAILED TO PRESSURIZE, WARNING HORN SOUNDED. FOUND AFT KEEL BEAM AREA BOOT ON BLEED DUCT DISCONNECTED. RECONNECTED BOOT PER MM.