As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU IFSD-DMI# 533711 APU AUTOSHUT DOWN ( APU SYSTEM (ETOPS 120 RESTRICTED) ) RECEIVED NO FLAME FUEL SUPPLY /FCU (59KFA) /FLOW DIVIDER ASSY 59KF25 WITH FAULT CODE 155 T/S 28-22-00 FOUND AIR IN FUEL LINE BLEED PER AMM 28-22-00 OPS CHECK GOOD STARTED APU 3 TIMES WITHOUT FAULT REF LOP # 100667 ITEM 1 THIS CLEARS MDDR# 533711 MIC SHEET UPDATED PLACARD REMOVED