What was found
CORROSION FOUND ON HORIZONTAL STABILIZER TRAILING EDGE UNDERNEATH AND ON TOP/BOTTOM OF SKIN AT FASTENER HOLES AT THE FOLLOWING PANELS: 344AT, 344CT, 344ET, 344GT, 344JT, 344LT, 344NT, 344QT, 344ST, 344UT, 344WT, 334AT, 334CT, 334ET, 334GT, 334JT, 334LT, 334NT, 334QT, 334ST, 334UT, 334WT, 344BB, 344FB, 344KB, 344PB, 344TB, 344XB, 334BB, 334FB, 334KB, 334PB, 334TB, 334XB. ENGINEERING DISPOSITION REQUIRED TO CONTINUE IN SERVICE AFTER BLENDING / CORROSION REMOVAL.