As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK INSPECTION, FOUND THE FOLLOWING: RT HORIZONTAL STABILIZER T/E BETWEEN STA 175.000 & STA 190.000 UPPER SKIN WITH INNER CORROSION. REMOVED CORROSION IAW DC8 SRM 51-1-8; FOUND TO BE OUT OF LIMITS IAW DC8 SRM 55-2-0. REMOVED UPPER PLATING; FABRICATED NEW PLATING & HATCHES IAW AS ELEVEN INC DWG AS11308, SHEET 1 & 2. PRIMED AND INSTALLED PARTS IAW DC8 SRM 51-1-8 AND AS ELEVEN INC DWG AS11308.