What was found
REF: 060003 - AFTER A DISCREPANCY OF WIRE BUNDLE CHAFING ON THE AFT MAIN ENGINE FIRE EXTINGUISHER DISCHARGE LINE WAS FOUND ON LIKE MODEL AC IN OUR FLEET, AN INSPECTION OF THE SAME WIRE BUNDLE WAS PERFORMED ON THIS AIRFRAME. THE INSPECTION FOUND THAT THE WIRE BUNDLE WAS CONTACTING THE EXTINGUISHER DISCHARGE LINE NEXT TO WHERE LINE CONNECTS TO BOTTLE. INSPECTED WIRE BUNDLE AND FOUND EVIDENCE OF LIGHT CONTACT, HOWEVER THERE WAS NO DAMAGE TO CONSIDER RELEASING A BULLETIN TO NOTIFY OTHER OPERATORS OF WHAT COULD POTENTIALLY BECOME A FIRE HAZARD IN THE AFT BAY. SECURED WIRE BUNDLE AWAY FROM DISCHARGE LINE TO PREVENT ANY FURTHER CONTACT. (K)