What was found
DURING ROUTINE C-CHECK INSPECTION, NR 3 ENGINE - RAIL FITTING CORRODED, YN 278.000 AT 12 O'CLOCK POSITION (LT SIDE). REMOVED AND REPLACED NR 3 ENGINE LT TRANSLATING COWL IAW CFM 56 MM 78-31-20 PAR 3A-3B, PG 402, 422. REFER TO JC SVC-7003-7104 FOR OPS CHECK.