What was found
DURING SCHEDULED C-11 CHECK, WHILE PERFORMING NR 2153, DURING THE PEELING UP OF THE LT HORIZONTAL STABILIZER FRONT SPAR WEB, FOUND LOWER SKIN INNER HAT SECTION CORRUGATED SKIN CRACKED; FS1090, HSS199, WL260. REPAIRED IAW SMP 583, FIG 55-20-07.