What was found
CABIN WARNING HORN SOUNDED AT FL370. CABIN PRESSURE OBSERVED AT 10,000. RATE OF CABIN CLIMB WAS 500 FPM AND NOT CONTROLLABLE, O2 MASKS DEPLOYED. REMOVED ICE CONTAMINATION FROM OUTFLOW VALVE AND SURROUNDING AREA.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN WARNING HORN SOUNDED AT FL370. CABIN PRESSURE OBSERVED AT 10,000. RATE OF CABIN CLIMB WAS 500 FPM AND NOT CONTROLLABLE, O2 MASKS DEPLOYED. REMOVED ICE CONTAMINATION FROM OUTFLOW VALVE AND SURROUNDING AREA.