As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, FOUND LEVEL 2 CORROSION AROUND ATTACH FASTENERS ON UPPER SURFACE OF RT HORIZONTAL STABILIZER LEADING EDGE OUTBOARD FROM XFS 178.00 TO XH 285.00. CUT OUT DAMAGED AREA. FABRICATED AND INSTALLED FILLERS AND DOUBLERS IAW DER DWG ARW 950051-0968.