What was found
CABIN PRESSURE AUTO FAULT APPEARED DURING DESCENT FROM 390 ALT HIGH EICAS AT 9700 FT DECLARED EMERGENCY. -C/A-FOUND FAULT CODE 21311011CPC. FOLLOWED FIM 21-31-00-810-810-A. FOUND TRANSITORY CONDITION OF CPCS OUTFLOW VALVE ACTUATOR
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN PRESSURE AUTO FAULT APPEARED DURING DESCENT FROM 390 ALT HIGH EICAS AT 9700 FT DECLARED EMERGENCY. -C/A-FOUND FAULT CODE 21311011CPC. FOLLOWED FIM 21-31-00-810-810-A. FOUND TRANSITORY CONDITION OF CPCS OUTFLOW VALVE ACTUATOR