What was found
CRACK FOUND ON RT HORIZONTAL STABILIZER LOWER SKIN JUST INBD OF STABILIZER STATION 92.70. CRACK IS APPROXIMATELY .5" LONG AND APPROXIMATELY 10" FWD OF DRAIN HOLE AND IS MARKED. ACFT GROUNDED. REPAIRED LOWER SKIN OF RIGHT HORIZONTAL STABILIZER AT BS 92.70 IAW SRM 55-10-01-2R-11. INSPECTION THRESHOLD 56,000 CYCLES AFTER REPAIR INSTALLATION METHOD: DETAIL VISUAL INSPECTION AND EXTERNAL LOW FREQUENCY EDDY CURRENT INSPECTION INTERVAL, 9000 FLIGHT CYCLES TABLE 204. .