What was found
LEFT HORIZONTAL STAB LOWER SKIN CRACKED AT STATION 133-15 LE STATION LOCATED JUST INBD OF RIB 25 INCHES APPROX FROM REAR SPAR. CRACK FOUND TO BE 3/4 INCHES LONG & ENDS OF CRACK MARKED IN BLACK MARKER. FOUND WITH C SCAN MANUAL PART 6-55-10-1 & CONFIRMED WITH HFEC NDT MANUAL PART 6,51-00-00 PROCEDURE 23. REMOVED CRACKED AREA. FABRICATED & INSTALLED REPAIR DOUBLER AND FILLER IAW SRM 55-10-01 REPAIR 11. INITIATED DIP TO INSPECT REPAIR STARTING AT 56000 FLIGHT CYCLES & AT INTERVALS OF 9000 FLIGHT CYCLES IAW SRM 55-10-01 REPAIR 11 ITEM 5 CATEGORY B INSPECTION REQUIREMENTS TABLE 204 FIG 206.