As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE CORROSION WAS DISCOVERED ON THE RIGHT WING LOWER AFT SPAR CAP (P/N: 5122041-24) AT APPROXIMATE RWS 220.71. THIS CORROSION HAS A MAX DEPTH OF APPROXIMATELY .033 INCHES DEEP. THIS IS GREATER THAN THE MAXIMUM REMOVABLE LIMITS ALLOWED UNDER MEB95-11R1 SECTION 3. THIS CAP WILL BE REPLACED USING NEW PARTS.