What was found
LT HORIZONTAL LOWER SKIN HAS 2 CRACKS AT STA. 138.7, APPROXIMATELY 9' AND 17' FROM THE AFT SPAR. ACFT GROUNDED. REMOVED DAMAGE FABRICATED DOUBLER AND 3 EA FILLERS AND INSTALLED REPAIR IAW SRM 55-10-01-2R-11, REPAIR 11, ALODINED IAW SRM 51-20-01 PRIMED IAW AMM 51-21-72 PAINTED IAW AMM 51-21-99. THIS IS A CAT B REPAIR INSPECTION THRESHOLD IS 56,000 FLIGHT CYCLES AND REPEAT INSPECTION INTERVAL IS 9000 FLIGHT CYCLES IAW TABLE 204 .