As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE FIRE DETECT FAULT ILLUMIINATED ON OAP. REPLACED LT ENG DET. PERFORMED HIGH VOLTAGE MEG OHM CHECK ON ALL LT ENG A LOOP WIRES NO FAULTS FOUND FROM CONDUCTOR TO GROUND. REPLACED FAN FIRE DET LOOP A D1-910. REPLACED LOOP D1-911D1-912D1-914D1-915 NEEDS CHECKOUT 889313 LT ENG A A B FIRE SYS TEST NORMAL AND ENG RUN CKS NORMAL.