As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRE DETECTION LOOP B, FOR THE NR 1 ENGINE DOES NOT TEST. ACFT GROUNDED. ACCOMPLISHED NR 1 ENGINE FIRE DETECTION OPS TEST IAW AMM 26-11-00-710-801. NO FAULTS FOUND. PERFORMED INSPECTION OF THE NR 1 ENGINE FIRE DETECTORS AND FOUND BROKEN TERMINALS AT THE 325 HARNESS. REMOVED AND INSTALLED A NEW HARNESS TERMINAL IAW AMM 26-11-02-960-802. ACCOMPISHED OPS TESTED IAW AMM 26-11-00. SYS CHECKED NORMAL.