What was found
LEFT HORIZONTAL STAB LWR SURFACE 8TH RIB FROM OTBD END OF PANEL 331CB AND 8 INCHES FROM L/E HAS A DENT 4.5"L X 4.0" W AND APPOX 0.15 DEEP. REMOVED AND REINSTALLED L/E PANEL 331CB IAW SRM 51-40-02. REPAIRED DENT BY ROUTING OUT DAMAGE IN SKIN 4.5" X 4.6", ROUTED OUT DAMAGE TO RIB 7.5" LONG. FABRICATED INTERNAL DOUBLER 7.8" X 7.5", 2 EACH REPAIR ANGLES 7.5" LONG AND FILLER 4.5" X 4.6" AND INSTALLED REPAIR IAW SRM 55-12-12 FIG 203, PARA C.