As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
1) DURING CLIMOUT FM MDSD LOOP B, NR 4 SHORT CIRCUIT ILLUMINATED. LIGHT EXTINGUISHED AFTER CHANGING TO LOOP A. GOOD FIRE TEST IN LOOP A POSITION. 2) ENTERED ON DMI 7230 AS PER DHL MEL 26-2-3 C/W SP 26-2 PLACARD INSTALLED. 3) CHANGED 2EA FIRE LOOP SENSORS ON CORE ENGINE. OPS CHECKED SYSTEM-NO DEFECTS NOTED. THIS CLEARS DMI#7230. PERFORMED IAW DC-8 MM 26-10-1STATUS: CLOSED