As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN C CHECK, MTC FOUND CORROSION DAMAGE COMMON TO THE AFT VACUUM OUTFLOW NOZZLE LOCATED BETWEEN BS 1562 AND 1582. THE DAMAGE IS OUTSIDE THE LIMITS OF THE SRM, AND THE ER/A ASSOCIATED WITH THIS LOG PAGE AUTHORIZES MTC TO REPAIR THE DAMAGED SKIN. C/W ERA 567089-14.