As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: APU FUEL LOW PRESSURE. MAINTENANCE PERFORMED TSM 28-22-00-810-801-A AND FOUND APU FUEL PRESSURE SWITCH INOPERATIVE. REPLACED APU FUEL PRESSURE SWITCH PER AMM 28-22-15 AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK.