What was found
VERTICAL STAB L/E FWD OF RAM AIR SCOOP COMMON TO PANEL 370AL LOWER LT SIDE SKIN IS CRACKED AND UPPER AREA IS HEAVILY ERODED. REPLACED DOUBLER, PN 5910242-121, SKIN, ON VERT SLAB DORSAL FIN FWD OF RAM AIR SCOOP COMMON TO PANEL 370 AL IAW SRM 51-41-02, PG 1 PARA 4 AND 51-41-05, PARA 8, PG 17.