What was found
RH HORIZONTAL STABILIZER, LOWER SKIN, ONE CRACK INDICATION AT ST A 157.10, 9 INCHES IN FRONT OF REAR SPAR (REF. AAR NR 1000019416 ). N THRESHOLD 56,000 TOTAL FLIGHT CYCLE, INTERVALS 9,000 FLIGHT CY CLES, METHOS DVI AND LFEC INSPECTION IAW B737-800 SRM 55-10-01-2 R-11 PARAGRAPH 5 (A) TABLE 204. REMOVED PREVIOUS DOUBLER, REPAIRED THE DAMAGE CRACK, AND COMBINE D OLD REPAIR LP# 7377090 WITH NEW REPAIR AT STA 157.10, 9 INCHES IN FRONT OF REAR SPAR. IAW B737-800 SRM 55-10-01-2R-11. THIS RE PAIR IS A B CATEGORY REPAIR REQUIRE REPEAT INSPECTION.