As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE PERFORMING A SCHEDULED VISUAL INSP OF ACFT WIRING, THE TECH FOUND SEVERAL WIRES FOR THE AHRS SYS (1 AND 2) SHOWING EVIDENCE OF SHORTING WITH BRACKET EDGE, AND MINOR DAMAGE TO THE BRACKET AS WELL. LOCATION - LT SIDE OF FUSELAGE AT STA X309:00 BETWEEN STR 9 AND 10. EDGE GROMMET WAS NOT FOUND INSTALLED ON THE BRACKET ON DISCOVERY OF THE PROBLEM. WIRING REPAIRED, BRACKET REPLACED WITH EDGE GROMMET MATERIAL INSTALLED.