What was found
CFM IS REPORTING A POTENTIAL PROBLEM WITH #1 ENGINE EEC CHANNEL A VIBRATION ANALYSIS HEALTH MODULE, WITHIN THE EEC. (PRI2/ETOPS)CNR 20260915060. GROUNDED - YES. (RESOLVED ON W/O: 2123315 TASKCARD: N/R-00002 ) C/W ENGINEERING REQUEST FOR EEC CHANNEL A CHANGE ON ENG 1. OPEND AND TAGGED FOUR C/BS AND INSTALLED MIG-51 TAGS ON ENG START/CUTOFF SWITCHES. REF. AMM 73-21-05/401. FOUR C/BS WERE RESET AND ALL MIG-51 TAGS REMOVED. NEW EEC PN 247M64P06 SN LPEM1148 INSTALLED . C/W EA PWRPL-73EA-30837 FOR SOFTWARE INSTALLTION. SOFTWARE CONFIGURATION CHECK VERIFIED. EEC TEST NORMAL. THIS ACTION CLEARS TSR720082 , SEAMC JOSH NOTIFED.