As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE VISIT FOUND STRINGER 19 RIGHT PREVIOUS REPAIR AT FRAME 52/53 CHAFED ON INNER SURFACE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED PREVIOUS REPAIR, FABRICATED PREPPED INSTALLED REPAIR IAW EO EM-53MR-1434. THE AIRCRAFT WAS RETURNED TO SERVICE.