What was found
ENGINE VIB MONITOR R RIGHT ENGINE AIRBORNE VIBRATION MONITORING (AVM) SYSTEM IS INOPERATIVE, OR LOSS OF TACHOMETER DATA. STATUS MSG01- NOT ACTIVE CLIMB INTERMITTENT; 'E' FLANGE ACCELEROMETER (CIRCUIT 1 RIGHT) SIGNAL IS OUT OF RANGE. DB- SIGNAL CONDITIONER UNIT (RIGHT) MSG02- NOT ACTIVE CLIMB INTERMITTENT; 'E' FLANGE ACCELEROMETER (CIRCUIT 1 RIGHT) SIGNAL IS OUT OF RANGE. EXPERIENCE HAS BEEN THAT LIKELY CAUSE IS E-FLANGE INTERMEDIATE CASE ACCELEROMETER OR ITS HARNESS CLAMPS OR CONNECTORS LOOSE, OR ACCELEROMETER PCN 483-00 20 FAILED. REPLACED 'E' FLANGE ACCELEROMETER PER MM. RAN ENGINE, VIB INDICATION NORMAL.