As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE FIRE DETECTION SENSOR LOOP ON THE LT ENGINE WAS FOUND CHAFING ON THE REAR TOP BRACKET (SUPPORT AFT OF ENGINE COVER) DURING PHASE 1,2,3, & 4 INSPECTION. THE LOOP RESISTANCE MEASURED BEYOND LIMITS AND WAS REPLACED. WEAR DAMAGE ON THE BRACKET WAS REPAIRED AS PER AC43131B.