What was found
25K AT REDUCED POWER FOR CRUISE, CABIN ALTITUDE ROSE RAPIDLY, SWITCHED PACKS TO NORMAL, CABIN ALTITUDE STABILIZED FOR 5 MINUTES THEN LOST CABIN CONTROL, OXYGEN MASKS DEPLOYED, MEL'D SYSTEM CONTROL NR 22377.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
25K AT REDUCED POWER FOR CRUISE, CABIN ALTITUDE ROSE RAPIDLY, SWITCHED PACKS TO NORMAL, CABIN ALTITUDE STABILIZED FOR 5 MINUTES THEN LOST CABIN CONTROL, OXYGEN MASKS DEPLOYED, MEL'D SYSTEM CONTROL NR 22377.