What was found
FOUND DURING HEAVY CHECK, LT AND RT AFT UPPER WING PRESSURE DECK INTERNAL SPLICE ANGLES CRACKED. AFT OF FRAME 27 AT STRINGERS 4L AND 4R. LT ANGLE PN IS S53573201210, RT S53573201211. SRAS, SHEET REF: SO/TS-232/08/4462. DAMAGES LEFT, AS IS AFTER INSPECTION PERFORMED IAW ATR REF DO/TS-232/08-9756 AND DO/TS-254/08-9756. WO 73513, NR 200018. (K)