As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE: AFT CVFDR REQUIRES REMOVAL DUE TO SIGNIFICANT EVENT REPORTED ON LOG PAGE 3387496-1, SEVERE TURBULENCE ENCOUNTER AND CONVECTIVE HAIL ENCOUNTER. AS PER GMM 6.13.4. P/N 1605-00-00 S/N 287; AFT CVFDR REMOVED IAW E190 AMM 31-31-01-000-801-A. NO DEFECT NOTED ITEM HAS BEEN QUARANTINE. ENCOMPASSED IN TOMX WO 2296 / NR 00003.