As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAINTENANCE FOUND AREAS OF CORROSION COMMON TO STRINGERS 42 - 43L, AND THE UNDERLYING SKIN NEAR S42L. ALL DAMAGE IS FOUND BETWEEN FRAMES 56-57. THE STRINGERS WERE REMOVED/CUT FOR SUBSEQUENT SPLICE REPAIRS TO REMOVE THE DAMAGE AND TO GAIN ACCESS TO UNDERLYING SKIN CORROSION. REF FIG 1 FOR DETAILS. REPAIRED IAW ER/A 530209-14, REV (0).