What was found
RIGHT HORIZONTAL STAB RIB 101.90, SHOWED A CRACK INDICATION 11" FROM THE REAR SPAR, INBD ROW OF FASTENERS. STRIP PAINT IN AREA FOR FURTHER EVALUATION. REPAIRED CRACK IAW SRM 55-10-01 REPAIR 11. DIP ISSUED IAW REPAIR 11 PARA 5 TABLE 204 TO ACCOMPLISH BOTH A DETAILED VISUAL INSPECTION & AN EXTERNAL LFEC INSPECTION, AT INTERVALS OF 9,000 FLIGHT CYCLES, WITH AN INSPECTION THRESHOLD OF 56,000 TOTAL COMPONENT FLIGHT CYCLES. DIP AT D48283 BEFORE 56,000 TOTAL FLIGHT CYCLES PERFORM INITIAL INSPECTION & REPEAT EVERY 9,000 CYCLES THEREAFTER IAW SRM 55-10-01 REPAIR 11.