What was found
RIGHT HORIZONTAL STAB LOWER SKIN IS CRACKED AT STAB STA 147.90 LOCATED 9 INCHES FWD OF AFT SPAR. CRACK IS MARKED AND MEASURES 1 INCH LONG. REF BAM NON-ROUTINE 001865013 FOR COMPLETION OF RE PAIR. A DIP IS REQUIRED TO BE ISSUED IAW SRM 55-10-01-2R-11 REPA IR 11 STEP 5 PAGE 7 TABLE 204. ISSUED DIP TO READ " INSPECTION THRESHOLD 56,000 TOTAL FLIGHT PART OF THE DOUBLER AND PERFORM A LFEC INSPECTION OF THE SKIN THE EXTERNAL PART OF THE DOUBLER. REPEAT INSPECTIONS EVERY STEP 5 PAGE 7 TABLE 204. CYCLES PERFORM A DETAILED VISUAL INSPECTION OF THE EXTERNAL UNDER THE EXTERNAL PART OF DOUBLER AND THE SPAR CHORD UNDER 9,000 FLIGHT CYCLES THEREAFTER. REF SRM 55-10-01-2R-11 REPAIR 11 INSTALLED REPAIR DOUBLER AT STAB STA 147.90 SEE BAM NR 1865013 FOR ALL WORK ACCOMPLISHED. REF SRM 55-10-01-2R-11 REPAIR 11.