As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLT 0602 - WHILE OPERATING THE APU WITH THE NR 2 GENERATOR PLACARDED INOPERATIVE, THE APU OIL QUANTITY STATUS ADD MESSAGE CAME ON EN ROUTE TO IAH. THE APU SHUT DOWN AUTOMATICALLY SHORTLY BEFORE LANDING. MAINTENANCE FOUND THE APU OIL PUMP AT FAULT. THE APU OIL PUMP WAS REMOVED AND REPLACED. LEAK AND OPERATIONAL CHECKS WERE GOOD. (X)