What was found
RIGHT HORIZONTAL STAB LOWER SKIN HAS A CRACK INDICATION AT RIB STATION 129.50 AFT OF DRAIN HOLE. INSTALLED HORIZONTAL STAB LOWER IN SPAR SKIN EXTERNAL DOUBLER IAW SRM 55-10-01 REPAIR 11. INSPECTION THRESHOLD OF 56000 FLIGHT CYCLES AFTER REPAIR INSTALLATION & 9000 FLIGHT CYCLES THEREAFTER IAW SRM 55-10-01 PART 5 TABLE 204. INSPECT CATEGORY B INTERIM REPAIR AT 56,000 FLIGHT CYCLES AFTER REPAIR INSTALLED & REPEAT EVERY 9000 FLIGHT CYCLES, DV & LFEC IAW SRM 55-10-01 REPAIR 11 PG 218 TABLE 204. DIP CTL 13621.