What was found
ALT1 FIELD WIRE T120 NOT SECURED PROPERLY RESULTING IN CHAFING THEN ARCING TO CYLINDER NR 5 INTAKE STUD CAUSING ALT1 AND ALT1 FIELD CONTROL MODULE FAILURE AND ALT1 FAILURE INDICATION. THE AIRCRAFT HAS APPROX 40 HRS SINCE ANNUAL INSP. THE FAILURE RESULTED IN AN UNSCHEDULED/UNEVENTFUL LANDING. REPAIRS INCLUDED WIRING REPAIR, ALT1 REPLACEMENT, AND ALT1 FIELD CONTROL MODULE REPLACEMENT. THE CIRRUS AIRPLANE MAINT MANUAL CHAPT 24-30 PG 13 DOES NOT ADDRESS SECURING THE WIRING WHICH RUNS IN CLOSE PROXIMITY TO THE #5 CYLINDER STUD AND CAN CHAFFE CAUSING ARCING AND FAILURE..