What was found
ETOPS SIGNIFICANT SYSTEM - APU FAULT; ATTEMPTED 3 STARTS // APU LAST LEG REPORT SHOWS FAULT, OIL COOLER(5100KT8)/COOL FAN ASSY(5100KH6), T/S PER A330 TSM 49-62-00-810-815-A. STARTED APU 3X, ALL WITH NO FAULTS. GROUND SCAN SHOWS NO FAULTS, OIL QTY AND GENERAL VISUAL INSPECTION OF COOLER ASSY CKS NORMAL. NO 30 DAY HISTORY. A/C OK FOR SVC.