What was found
DURING C-CHECK INSPECTION, FOUND LEFT SIDE HORIZONTAL STABILIZER LOWER SKIN SURFACE AT TRAILING EDGE BETWEEN XE 272.00 TO STAB TIP WITH LEVEL 2 CORROSION. REMOVED DAMAGED SKIN PANELS, FABRICATED, TREATED AND INSTALLED NEW PANELS IAW SRM 51-1-8, 51-1-21 PG 20-25 AND 55-1-0.