What was found
DURING 1000 HOUR AIRFRAME INSPECTION, FOUND SEVERAL CRACKS UNDER THE MAIN TRANSMISSION DECK. LEFT & RIGHT LONGERONS P/N L533M1017281 & P/N L533M1017282 WERE CRACKED IN THE UPPER FLANGES AT X4565 WITH L/H CRACK MEASURING 0.50 LONG AND R/H MEASURING 0.60 LONE. FOUND A CRACK ON THE REAR R/H STRINGER P/N L533M1017370ON ITS UPPER FLANGE MEASURING 0.50 LONG. THE L/H & R/H A-PROFILES L/H P/N: L533M1017375 AND R/H P/N L533M1017376 ARE CRACKED ACROSS THE WIDTH OF EACH PART. COMPLETING REPAIRS AS PER AIRBUS HELICOPTERS RDAS-EC135-53-2021-4334.