What was found
DURING CLIMB, COULD NOT PRESSURIZE THE AIRCRAFT. MANUAL DEPRESSURIZATION VALVE SHOWED OPEN ON ECAM. RETURNED TO MC. *S/D* REMOVED AND REPLACED VALVE 93 HM IAW M/M 21-31-15 AND PERFORMED TEST IAW M/M 21-31-00, NO DISCREPANCIES NOTED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMB, COULD NOT PRESSURIZE THE AIRCRAFT. MANUAL DEPRESSURIZATION VALVE SHOWED OPEN ON ECAM. RETURNED TO MC. *S/D* REMOVED AND REPLACED VALVE 93 HM IAW M/M 21-31-15 AND PERFORMED TEST IAW M/M 21-31-00, NO DISCREPANCIES NOTED.