As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND SEVERAL DENTS IN THE AFT RUDDER LOWER SKIN PANEL P/N 85547155-101. BTAS MX REMOVED AND REPLACED THE AFT RUDDER LOWER SKIN PANEL IAW Q400 SRM 51-40-07, ALL WORK CARRIED OUT ON JOB 8418215 OP 5010. A/C REMAINS IN TUS FOR A/C COMPLETION.