As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING GVI FOR ENGINE NR 2 (T/C N8420000, FOUND DAMAGE TO M326 FORE FIRE DETECTOR HARNESS. GROUNDED - YES. ENGINE NR 2 FIRE CORE DETECTOR HARNESS M326 REMOVED AND REPLACED REF AMM 26-11-02. ENGINE FIRE DETECTION OPERATIONAL TEST GOOD REF AMM 26-11-00-710-801.