What was found
TASK 55-10-01-290, "HORIZONTAL STABILIZER RIB LOCATION BORESCOPE INSPECTION", CRACKS WERE FOUND TO THE RIBS. LT HORIZONTAL STAB RIBS, FS 521.084-527.615, SS18.60 HAS 2 CRACKS, FS 521.084-527.615, SS27.90 HAS 2 CRACKS, FS 521.084-527.615, SS 37.20 HAS 1 CRACK, AND FS 521.084 TO 527.615, SS 47.96 HAS 1 CRACK. RT HORIZONTAL STAB RIBS, FS 521.084-527.615, SS 18.60 HAS 2 CRACKS, FS 521.084-527.615, SS 27.90 HAS 2 CRACKS, FS 521.084 -527.615, SS 37.20 HAS 1 CRACK, AND FS 521.084-527.615, SS 47.96 HAS 1 CRACK, REF FIG 602, 55-10-01.