As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 2201 - CLT - AUTOPRESSURIZATION FAILED AT FL 370. EMERGENCY DESCENT MADE, WAS ABLE TO REGAIN CONTROL OF CABIN IN MANUAL. NEVER GOT THE 10,000 FEET ALT HORN AND FIRST INDICATION PAX OXYGEN LIGHT AND OVERHEAD ON RECALL. MAINTENANCE REMOVED AND REPLACED RIGHT PRESSURE RELIEF VALVE. CHECKS SATISFACTORY. REPLACED LEFT PRESSURE RELIEF VALVE PRECAUTIONARY. CHECKS SATISFACTORY. (M)