What was found
FOUND DURING 'ZERO B, TRANSITION' CHECK AT AVBORNE HEAVY MAINTENANCE FACILITY, PRIOR TO THIS AIRCRAFT BEING ON THE KHA CERTIFICATE. MAIN CABIN STRINGER 17L BODY STATION 850, ANGLE IS CRACKED, INBOARD SIDE OF FRAME. ACCOMPLISHED REPAIR ON MAIN CABIN STRINGER 17L STATION 850, ANGLE IS CRACKED, INBOARD SIDE OF FRAME, IAW AVITAS ENGINEERING REPAIR ORDER 99AVHM 067. RO-1 REV 1, DATED 10/5/99. (M)