What was found
CABIN ALTITUDE HORN SOUNDED. PLACED PACKS ON HIGH RAN EMERGENCY DESCENT CHECKLIST. R&R HIGH STAGE VALVE PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN ALTITUDE HORN SOUNDED. PLACED PACKS ON HIGH RAN EMERGENCY DESCENT CHECKLIST. R&R HIGH STAGE VALVE PER MM.