What was found
"AFTER TAKEOFF HAD ECAM: VENT SKIN VALVE FAULT. UNABLE TO PRESSURIZE (THIS IS AN SDR ITEM) ACCOMPLISH TSM 21-26-00-810-804-A, FOUND (22HQ) OUTLET VALVE AT FAULT, R+R OUTLET VALVE PER AMM 21-26-53, OPS CK GOOD. REF. LG PG# 2457820-01 & -02 FOR FURTHER WORK CAL TOOL: NK828 DUE: 28,NOV,19".