What was found
DECLARED EMERGENCY AT FL 370, CABIN PRESSURIZATION FAILED. COULD NOT REGAIN CABIN PRESS IN ALT MODE. REMOVED AND REPLACED OUTFLOW VALVE CONNECTORS PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DECLARED EMERGENCY AT FL 370, CABIN PRESSURIZATION FAILED. COULD NOT REGAIN CABIN PRESS IN ALT MODE. REMOVED AND REPLACED OUTFLOW VALVE CONNECTORS PER MM.