What was found
DURING AN A-CHECK IN BTR, THE FS 640 DOUBLER AT STRINGER 10, FRAME FS 640 AND THE SKIN BUTT JOINT STRAP LEFT FS 640, STRINGER 8-13 WERE FOUND TO BE CRACKED BEYOND LIMITS. MAINTENANCE IS REMOVING AND REPLACING THE FS 640 DOUBLER AT STRINGER 10 AND THE FS 640 FRAME. MAINTENANCE IS REPAIRING THE SKIN BUTT JOINT STRAP LEFT, FS 640, STRINGER 8-13 IAW ASA EO 600-53-0107. (M)