As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AC WAS GROUNDED DUE TO AN SDR REPORTABLE EVENT. DEFECT FOR VENT SKIN VALVE FAULT. PER TSM 21-26-00-810-844-0-A, REMOVED AND REPLACED AEVC IAW AMM 21-26-34-000-001-A. OPS CHECK GOOD. NO FAULTS ON ECAM AT THIS TIME. AC OK FOR SERVICE. ORIGINAL SUBMISSION DATE 09/19/2023