What was found
L/H HORIZONTAL STABILIZER LOWER SKIN HAS A CRACK INDICATION 1/2" IN LENGTH AT STAB. STATION 101.90. LOCATED 19.50" FROM FRONT SPAR. AS MARKED. GROUNDED - YES. REPAIRED L/H HORIZONTAL STABILIZER LOWER SKIN CRACK BY INSTALLING DOUBLER IAW B737-NG SRM 55-10-01-2R-11. P/N: 2024-T3 .100" X 48 = 144". PO: 1028431.1 P/N: 2024-T3 .071" X 48" X 144" PO: 1051295.2.THIS IS A CATAGORY B REPAIR WITH INSPECTIONS REQUIRED AT INTERVALS OF 9,000 FLIGHT CYCLES WITH AN INSPECTION THRESHOLD OF 56,000 FLIGHT CYCLES IAW B737 800 SRM 55-10-01-2R-11 PARA 5 TABLE 204.