As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HMV, RER AEROMAN NR 2021-113286 CORROSION UPPER SURFACE OF UPPER SKIN CENTER WING BOX AT LEVEL FR41 AND FR42 BTW Y1292 AND Y1732 IN PASSENGER CABIN; "PERFORMED PERMANENT REPAIR ON UPPER SURFACE OF UPPER SKIN CENTER WING BOX AT FR41 TO FR42 BTW Y1292 AND Y1732 IAW EC A21-330-01 AND EA 57-0103-21 REVISION #0 AND PART #1 AND RDAF 80894292/004/2021#A.