As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS, DURING A SCHEDULED INSPECTION THE APU FIRE EXTINGUISHER HEAD MANIFOLD WAS FOUND CHAFED AT B-NUT. MAINTENANCE REMOVED AND REPLACED THE MANIFOLD IAW-EMB135/145MM-20-10-03 AND 26-23-05. REPAIR PROCEDURES WHERE SATISFACTORY AND THE AIRCRAFT WILL BE RELEASED UPON COMPLETION OF INSPECTION.