What was found
LOWER EXTERIOR FUSELAGE, STA 460 BETWEEN S27L AND S27R, SKIN IS CREASED AT SHEAR TIE. GROUNDED - YES. EVALUATED LOWER SKIN. FOUND TO BE TWO CREASES OUTBOARD OF BUTT LINE ZERO. REMOVED CREASED SKIN SECTIONS. ACCOMPLISHED NDT INSPECTIONS. FABRICATED REPAIR PARTS AND INSTALLED IAW 900-53EA-24325. REINSTALLED VHF ANTENNA IAW B737-900 AMM 23-12-11-400-801. OPS CHECK GOOD. REINSTALL PIT FLOOR BOARD IAW B737-900 SRM 51-40-02.