As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURN BACK DUE TO ECAM "NAV PRED W/S DET FAULT. GROUNDED - YES. REFER TO LOG PAGE 100235155-1 FOR RESOLUTION. REMOVED AND REPLACED WXR XCVR 1 PER TSM 34-41-00-810-802-A. BITE TEST PASSED. NO FAULTS AND DEFECTS NOTED. A/C OK FOR SVC.