What was found
SUPPORT TASK. C-SCAN, CRACK INDICATION, RH LWR HORIZONTAL STABIL IZER SKIN, STAB STA 120.3. APPROX. 24" FWD OF REAR STAR. REF TO PEMCO NR 11101.0162. CRACK LOCATED AT RH H-STAB LWR SKIN STA 123.85 APPROX. 4FT FROM LE. ORIG SKIN THICKNESS = .071" CUTOUT DIMENSIONS = 1.0"X 1.3". HFEC PERFORMED IAW 737 NDT PT6 51-00-00 AND 51-10-01. DOUBLER REPAIR INSTALLED IAW SRM 53-10-01-2R-11. DOUBLER MEASURES 11"X18.5". CAT B REPAIR, REPEAT INSPECTIONS REQUIRED IAW SRM 53-10-01-2R-11 AND 737NDT PT 6 51-00-26 BEGINNING AT 56000 TOTAL FC AND EVERY 9000 FC THEREAFTER. TOMC APPROVED DIP TO ACCOMPLISH DETAILED VISUAL INSPECTION AND EXTERNAL LFEC INSPECTION OF CATEGORY B REPAIR STARTING AT INSPECTION THRESHOLD 56,000 TOTAL FLIGHT CYCLES AND REPEAT INSPECTIONS EVERY 9,000 FLT CYCLES THEREAFTER, REF SRM 55-10-01-2R-11 REPAIR 11 SECTION 5. TABLE 204. T