What was found
CABIN ALTITUDE WARN HORN SOUNDED. OXYGEN MASKS WERE DEPLOYED. EMERGENCY DECLARED AND DIVERTED. R & R LT A/C PACK VALVE IAW MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN ALTITUDE WARN HORN SOUNDED. OXYGEN MASKS WERE DEPLOYED. EMERGENCY DECLARED AND DIVERTED. R & R LT A/C PACK VALVE IAW MM.