What was found
WHILE PERFORMING A C3 CHECK AND THE A.A.C.I.P. SB 3173, FOUND NR 2 AND NR 3 OVERWING FITTING CRACKED FORWARD OF FUSELAGE ATTACHMENT BOLT. INSTALLED NEW TYPE FITTING: NR 1, PYLON AT: ATT 51,029/ATC 20,325, FEB 91. NR 2 AND NR 3, ATT 52,324/ATC 20,629 MAY 95. NR 4, REPLACED, PREVENTIVE ONLY, MAY 95.