As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING P4-LAS SCHEDULED C-3 CHECK UNDER JOB CARD HC5511, FOUND THE HORIZONTAL STABILIZER FS 1066 BULKHEAD/STRINGER UPPER CAP FORWARD VERTICAL FACE CORRODED AT HSS67.3L, HSS82L, AND HSS108L AT WL 283. REPAIRED IAW LAC MEA 382-55-20-077 NR 1000306104.