What was found
LOST THE LEFT PACK AT CRUISE, FL240. STARTED DESCENT. IAW QRH PRESSED EMERGENCY DEPRESS AT 17000 FEET. PAX O2 MASKS DEPLOYED. FLIGHT 5171.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LOST THE LEFT PACK AT CRUISE, FL240. STARTED DESCENT. IAW QRH PRESSED EMERGENCY DEPRESS AT 17000 FEET. PAX O2 MASKS DEPLOYED. FLIGHT 5171.