What was found
APU ECU DISPLAYS MINI FLAG. REMOVED & REPLACED THE GCU DIFFERENTIAL PRESSURE SWITCH IAW MM 49-27-15. OPS AND LEAK CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU ECU DISPLAYS MINI FLAG. REMOVED & REPLACED THE GCU DIFFERENTIAL PRESSURE SWITCH IAW MM 49-27-15. OPS AND LEAK CHECKED GOOD.