What was found
RIGHT HORIZONTAL STAB LOWER IN SPAR SKIN HAS A CRACK LOCATED AT STAB STATION 138.7, 25" AFT OF FRONT SPAR. INSTALLED REPAIR DOUBLER AT STATION 138.7 IAW SRM 55-10-01 REPAIR 11. INSPECTION THRESHOLD OF 56,000 TOTAL COMPONENT FLIGHT CYCLES, INTERVAL OF 9,000 FLIGHT CYCLES THEREAFTER IAW SRM 55-10-01 REPAIR 11 PARTS 5 TABLE 204.