As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRZ FLT FL 380: CABIN ALT WARNING AT 10,800 FT OBSERVED. ELEC QRH C/W. EMERGENCY DESCENT PERFORMED WITH O2 MASKS ON.(<P>REMOVED AND REPLACED LWR FWD CARGO OVERBOARD VALVE PER AMM 21-26-17/401. TEST PASSED. PERFORMED CABIN PRESSURE LEAKAGE TEST PER AMM 05-51-08. LEAK DOWN RATE ACCEPTABLE. NO FURTHER DEFECTS NOTED</P>)