What was found
DC PUMP ON MX MESSAGE NOT DISPLAYED DURING TEST. REPLACED APU FUEL PUMP TRANSFER RELAY "K 505" IAW SWPM CH 20-81-11. SYSTEM C'S GOOD IAW MM 28-25-00-715-264.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DC PUMP ON MX MESSAGE NOT DISPLAYED DURING TEST. REPLACED APU FUEL PUMP TRANSFER RELAY "K 505" IAW SWPM CH 20-81-11. SYSTEM C'S GOOD IAW MM 28-25-00-715-264.