As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO DEPARTURE. NO EMERGENCY DECLARED AND FLIGHT LANDED WITHOUT INCIDENT. VENT SKIN VALVE FAULT ECAM. REPLACED SKIN AIR VALVE BETWEEN FRAMES 17 AND 18 IAW MM 21-26-53. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK PER TASK 21-26-00-710. AIRCRAFT WAS GROUNDED.